Supplementary Material, File 2

R. W. Purdy. 1988. The Early Miocene fish fauna from the Pollock Farm Site, Delaware. In R. N. Benson (ed.), Delaware Geological Survey Special Publication (21):131-139.

R. W. Purdy. 1998. Chondrichthyan fishes from the Paleocene of South Carolina. Transactions of the American Philosophical Society 88(4):122-146.

R. W. Scott. 1970. Paleoecology and Paleontology of the Lower Cretaceous Kiowa Formation, Kansas. The University of Kansas Paleontological Contributions (52):1-94.

R. W. Scott. 2007. Key bivalves of the Lower Albian Glen Rose Formation, Texas, U.S.A. In R. W. Scott (ed.), Cretaceous rudists and carbonate platforms: environmental feedback, SEPM Special Publication 87:247-252.

R. W. Shufeldt. 1891. Fossil birds from the Equus Beds of Oregon. American Naturalist 25:818-821.

R. W. Shufeldt. 1915. Fossil birds in the Marsh Collection of Yale University. Transactions of the Connecticut Academy of Arts and Sciences 19:1-110.

R. W. Storer. 2001. A new Pliocene grebe from Lee Creek deposits. Smithsonian Contributions to Paleobiology 90:227-231.

R. Wani, R. S. P. De Ocampo, and Y. M. Aguilar, M. A. Zepeda, Y. Kurihara, K. Hagino, H. Hayashi, T. Kase. 2008. First discovery of fossil Nautilus pompilius Linnaeus, 1758 (Nautilidae, Cephalopoda) from Pangasinan, northwestern Philippines. Paleontologic.

R. Watkins and C. J. Aithie. 1980. Carbonate shelf environments and faunal communities in the Upper Bringewood Beds of the British Silurian. Palaeogeography, Palaeoclimatology, Palaeoecology 29:341-368.

R. Watkins. 1974. Carboniferous Brachiopods from Northern California. Journal of Paleontology 48(2):304-325.

R. Watkins. 1975. Silurian brachiopods in a stromatoporoid bioherm. Lethaia 8(1):53-61.

R. Watkins. 1979. Benthic community organization in the Ludlow Series of the Welsh Borderland. Bulletin of the British Museum of Natural History (Geology) 31:175-280.

R. Watkins. 1991. Guild structure and tiering in a high-diversity Silurian community, Milwaukee County, Wisconsin. Palaios 6:465-478.

R. Watkins. 1992. Paleoecology of a low-diversity Silurian community from the Tofta Beds of Gotland. Palaeontologische Zeitschrift 66:405-413.

R. Watkins. 1993. The Silurian (Wenlockian) reef fauna of Southeastern Wisconsin. Palaios 8:325-338.

R. Watkins. 1994. Evolution of Silurian Pentamerid Communities in Wisconsin. Palaios 9:488-499.

R. Watkins. 2000. Silurian reef-dwelling brachiopods and their ecologic implications. Palaios 15:112-119.

R. Weems and S. Horman. 1983. Teleost fish remains (Osteoglossidae, Blochiidae, Scombridae, Triodontidae, Diodontidae) from the Lower Eocene Nanjemoy Formation of Maryland. Proceedings of The Biological Society of Washington 96(1):38-49.

R. Weis, N. Mariotti, and A. Cencio. 2015. Systematics and evolutionary implications of Early Jurassic belemnites from the Peri-Mediterranean Tethys. Palaeontologische Zeitschrift 89:729-747.

R. Wolfart, F. Bender, and V. Stein. 1968. Stratigraphie und Fauna des Ober-Ordoviziums (Caradoc - Ashgill) and Unter-Silurs (Unter-Llandovery) von Sudjordanien. Geologisches Jahrbuch, Beihefte 85:517-551.

R. Wolfart. 1968. Die Trilobiten aus dem Devon Boliviens und ihre Bedeutung fuer Stratigraphie und Tiergeographie. Beihefte zum Geologischen Jahrbuch 74:5-201.

R. Wolfart. 1994. Middle Cambrian Faunas (Brachiopoda, Mollusca, Trilobita) from Exotic Limestone Blocks, Reilly Ridge, North Victoria Land, Antarctica, their Biostratigraphic and Paleogeographic Significance. Geologisches Jahrbuch B/84:1-161.

R. Wood. 2004. Palaeoecology of a post-extinction reef: Famennian (Late Devonian) of the Canning Basin, North-Western Australia. Palaeontology 47(2):415-445.

R. Wrona. 2003. Early Cambrian molluscs from glacial erratics of King George Island, West Antarctica. Polish Polar Research 24(3-4):181-216.

R. X. Zhao and Z. X. Tan. 1984. Lower Permian brachiopods from Sangzhi, Hunan. Acta Palaeontologica Sinica 23(1):20-31.

R. Y. Chen. 1985. Lower Cambrian trilobites from Liangshan district of Nanzheng, Shaanxi. Acta Palaeontologica Sinica 24(3):332-336.

R. Zangerl and G. R. Case. 1973. Iniopterygia, a New Order of Chondrichthyan Fishes from the Pennsylvanian of North America. Fieldiana Geology Memoirs 6:1-67.

R. Zangerl. 1953. The vertebrate fauna of the Selma Formation of Alabama. Part III. The turtles of the family Protostegidae. Fieldiana: Geology Memoirs 3(3):63-133.

R. Zangerl. 1966. A New Shark of the Family Edstidae, Ornithoprion hertwigi from the Pennsylvanian Mecca and Logan Quarry Shales of Indiana. Fieldiana Geology 16:1-44.

R. Zangerl. 1969. Bandringa rayi: A New Ctenacanthoid Shark form the Pennsylvanian Essex Fauna of Illinois. Fieldiana Geology 12:157-169.

R. Zangerl. 1979. New Chondrichthyes from the Mazon Creek fauna (Pennsylvanian) of Illinois. In M. H. Nitecki (ed.), Mazon Creek Fossils .

R. Zangerl. 1981. Chondrichthyes I: Paleozoic Elasmobranchii. In H.P. Schultze (ed.), Handbook of Paleoichthyology 3a.

R. Zangerl. 1990. Two new Stethacanthid sharks (Stethacanthidae, Symmoriida) from the Pennsylvanian of Indiana, USA. Palaeontographica Abteilung A 213:115-141.

R. Zangerl. 1995. The problem of vast numbers of cladodont shark denticles in the Pennsylvanian Excello Shale of Pike County, Indiana. Journal of Paleontology 69(3):556-563.

R. Zangerl. 1997. Cervifurca nasuta n. gen. et sp., an Interesting Member of the Iniopertygidae (Subterbranchialia, Chondrichthyes) from the Pennsylvanian of Indiana, USA. Fieldiana Geology, New Series 35:1-23.

R. Zardini. 1976. Fossili di Cortina. Atlante degli Echinodermi Cassiani Trias Medio Superiore della regione dolomitica attorno a Cortina d'Ampezzo. Fossili di Cortina. Atlante degli Echinodermi Cassiani Trias Medio Superiore della regione dolomitica atto.

R. Zardini. 1978. Fossili Cassiani (Trias Medio-Superiore). Atlante dei Gasteropodi della formazione di S. Cassiano raccolti nella regione Dolomitica attorno a Cortina d´Ampezzo. Cortina d´Ampezzo (Edizione Ghedina) .

R. Zetter, C. C. Hofmann, and I. Draxler, J. Durango de Cabrera, MM Vergel and F. Vervoorst. 1999. A rich Middle Eocene microflora at Arroyo de los Mineros, near Cañadón Beta, NE Tierra del Fuego Province, Argentina. Abhandlungen der Geologischen Bundesan.

R. Zhan and J. Jin. 2005. Brachiopods from the Middle Orodvician Shihtzupu Formation of Yunnan Province, China. Acta Palaeontologica Polonica 50(2):365-393.

R. Zhan and O. Vinn. 2007. Cornulitid epibionts on brachiopod shells from the Late Ordovician (middle Ashgill) of East China. Estonian Journal of Earth Sciences 56(2):101-108.

R. Zhan, J. Jin, and J. Rong, P. Chen, G. Yu. 2008. Strophomenide brachiopods from the Changwu Formation (Late Katian, Late Ordovician) of Chun'an, western Zhejiang, south-east China. Palaeontology 51(3):737-766.

R. Zhan, J. Jin, and P. Chen. 2010. Early-mid Ordovician Yangtzeella (Syntrophiidina, Brachiopoda) and its evolutionary significance. Palaeontology 53(1):77-96.

R. Zhang and J. Pojeta, Jr. 1986. Devonian sections in Guangxi from which pelecypods were collected. Devonian rocks and Lower and Middle pelecypods of Guangxi, China and the Traverse Group of Michigan. United States Geological Survery Professional Paper .

R. Zhang and J. Pojeta. 1986. New bivalves from the Datang Stage, Lower Carboniferous, Guangdong Province, China. Journal of Paleontology 60(3):669-679.

R. Zuffardi-Comerci. 1959. Corallari e Idrozoi giurassici degli altipiani Hararini [Jurassic corals and Hydrozoa from the Harar Plateau]. Missione Geologica dell'Azienda Italiana Petroli (AGIP) nella Dancalia Meridionale e sugli Altipiani Hararini 4(1):19.

R.A. Scasso, J.M. McArthur, and CJ del Rio, S. Martinez, MF Thirlwall. 2001. 87Sr/86Sr Late Miocene age of fossil molluscs in the 'Entrerriense' of the Valdes Peninsula (Chubut, Argentina). Journal of South American Earth Sciences 14:319-329.

R.-B. Zhan and J. Jin. 2005. Brachiopods from the Dashaba Formation (Middle Ordovician) of Sichuan Province, south-west China. Special Papers in Palaeontology 74:1-63.

R.-B. Zhan, J. Jin, and J.-Y. Rong, X.-J. Zhu, N.-R. Han. 2010. Late Cambrian brachiopods from Jingxi, Guangxi Province, South China. Alcheringa 34:99-133.

R.F.J. Brunet. 1995. New Species of Mollusca from the Entrerriense Formation (Upper Miocene) of Chubut Province, Argentina and species not previously reported from this formation. Part 1 - Gastropoda and Scaphopoda. Tulane Studies in Geology and Paleontol.

R.G. Lepsius. 1878. Das Westliche Sud-Tirol: geologisch dargestellt. W. Hertz, Berlin .

R.G.S. Hudson, M. J. Clarke, and Sevastopulo, GD. 1966. A detailed account of the fauna and age of a Waulsortain Reef Knoll Limestone and associated shales, Feltrim, Co., Dublin. Scientific Proceedings of the Royal Dublin Society, ser. A 2(16):251-272.

R.I. Murchison, E. de Verneuil, and A. de Keyserling. 1845. Géologie de la Russie d'Europe et des Montagne de l'Oural. Paléontologie. Géologie de la Russie d'Europe et des Montagne de l'Oural. Paléontologie 2(3):1-512.

R.-L. Feng. 1985. New discovery of fossil ophiuroids from Guizhou and southern Sichuan, China. Acta Paleontologica Sinica 24(3):337-343.

R.N. Lakhanpal. 1958. The Rujada Flora of west central Oregon. University of California Publications in Geological Sciences 35(1):1-66.

R.N. Oldale, P.C. Valentine, and TM Cronin, EC Spiker, BW Blackwelder, DF Belknap, JF Wehmiller, BJ Szabo. 1982. Stratigraphy, structure, absolute age, and paleontology of the upper Pleistocene deposits at Sankaty Head, Nantucket Island, Massachusetts. Ge.

R.-P. Carriol and J. S. H. Collins. 2000. New records of cirripedes (Crustacea, Thoracica) from the Albian of Yonne (France). Bulletin of the Mizunami Fossil Museum (27):141-145.

R.W. Grigg. 1988. Paleoceanography of coral reefs in the Hawaiian-Emperor Chain. Science 240:1737-1743.

R.W. Portell, K.S. Schindler, and GS Morgan. 1992. The Pleistocene molluscan fauna from Leisley Shell Pit 1, Hillsborough County, Florida. Florida Geological Survey Special Publication 36: Plio-Pleistocene stratigraphy and paleontology of southern Florida.

R.W. Yole. 1963. An Early Permian fauna from Vancouver Island, British Columbia. Bulletin of Canadian Petroleum Geology 11:138-149.

R.-Y. Li and T. Allen. 2008. Llandovery (Early Silurian) orthide brachiopod associations from Anticosti Island, eastern Canada. Canadian Journal of Earth Sciences 45(2):189-201.

S. X. Hu, M. Steiner, and M. Y. Zhu, H. L. Luo, A. Forchielli, H. Keupp, F. C. Zhao, Q. Liu. 2012. A new priapulid assemblage from the early Cambrian Guanshan fossil Lagerstätte of SW China. Bulletin of Geosciences 87(1):93-106.

S. A. Cerridwen and B. Jones. 1991. Distribution of Bivalves and Gastropod in the Pleistocene Ironshore Formation, Grand Cayman, British West Indies. Caribbean Journal of Science 27(3-4):97-116.

S. A. Elias. 2014. Environmental interpretation of fossil insect assemblages from MIS 5 at Ziegler Reservoir, Snowmass Village, Colorado. Quaternary Research 82:592-603.

S. A. Hall. 1977. Cretaceous and Tertiary dinoflagellates from Seymour Island, Antarctica. Nature 267:239-241.

S. A. Hamm and D. J. Cicimurri. 2005. Middle Pennsylvanian (Desmoinesian) chondrichthyans from the Lake Neosho Shale Member of the Altamont Limestone in Montgomery County, Kansas. Paludicola 5(2):65-76.

S. A. James. 2006. Coral Biodiversity and Zonation on a Pleistocene Reef, Southeastern Jamaica. Jamaica Clearing House Mechanism .

S. A. Leslie. 1997. Apparatus Architecture of Belodina (Conodonta): Interpretations Based on Fused Clusters of Belodina compressa (Branson and Mehl, 1933) from the Middle Ordovician (Turinian) Plattin Limestone of Missouri and Iowa. Journal of Paleontolog.

S. A. Marenssi, J. M. Lirio, and S. N. Santillana, D. R. Martinioni, S. Palamarczuk. 1992. El Cretacio Superior del sudeste de la Isla James Ross, Antartida. Geologia de la Isla James Ross .

S. A. Marenssi, M. A. Regeuro, and S. N. Santillana, S. F. Vizcaino. 1994. Eocene land mammals from Seymour Island, Antarctica: palaeobiogeographical implications. 6(1):3-15.

S. A. McLeod and L. G. Barnes. 2008. A new genus and species of Eocene protocetid archaeocete whale (Mammalia, Cetacea) from the Atlantic Coastal plain. Science Series, Natural History Museum of Los Angeles County 41:73-98.

S. A. Miller and W.F.E. Gurley. 1896. New species of Palaeozoic invertebrates from Illinois and other states. Illinois State Museum Natural History Bulletin 11:1-50.

S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists .

S. A. Miller. 1892. Palaeontology. Indiana Department of Geology and Natural Resources Annual Report 17:611-705.

S. A. Nicol. 1987. A Down-slope Upper Triassic Reef Mound: Aflenz Limestone, Hochschwab Mountains, Northern Calcareous Alps. Facies (16):23-36.

S. A. Northrop. 1939. Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé. Geological Society of America Special Paper 21:1-302.

S. A. Quiroz-Barroso and M. Del Carmen Perrilliat. 1998. Pennsylvanian bivalves from the Ixaltepec formation, Mexico. Journal of Paleontology 72(6):1011-1024.

S. A. Quiroz-Barroso and M.C. Perrilliat. 1989. Pectinidos del Plioceno del area de Santa Rosalia, Baja California sur. Paleontologia Mexicana (53):1-79.

S. A. Quiroz-Barroso, F. Sour-Tovar, and E. Centeno-García. 2012. Gasterópodos y bivalvos cisuralianos (Pérmico inferior) de Otlamalacatla, Hidalgo, México. Revista Mexicana de Ciencias Geológicas 29:158-178.

S. A. Quiroz-Barroso, J. Pojeta, and F. Sour-Tovar, S. Morales-Soto. 2000. Pseudomulceodens: a Mississippian rostroconch from Mexico. Journal of Paleontology 74(6):1184-1186.

S. A. R. Ferreira Costa, M. Richter, and PM de Toledo, HM Moraes-Santos. 2009. Shark teeth from Pirabas Formation (Lower Miocene), northeastern Amazonia, Brazil. Boletim do Museu Paraense Emílio Goeldi 4(3):221-230.

S. A. Walsh and J. P. Hume. 2001. A new Neogene marine avian assemblage from north-central Chile. Journal of Vertebrate Paleontology 21(3):484-491.

S. A. Yamani. 1982. Die Bivalvenfauna der Schwammkalke von Biburg (Oberoxford, Suedliche Frankenalb) Pteriomorphia I. Mitteilungen der Bayerischen Staatssammlung fuer Palaeontologie und Historische Geologie 22:19-34.

S. Adachi, H. Igo, and K. Sashida, N. Nakornsri. 1993. Triassic coral buildups observed in the Chaiburi Formation, near Phatthalung, Peninsular Thailand. Annual Report of the Institute of Geoscience of the University Tsukuba 19:27-31.

S. Adnet, A. C. Balbino, and M. T. Antunes, J. M. Marin-Ferrer. 2009. New fossil teeth of the white shark (Carcharodon carcharias) from the Early Pliocene of Spain. Implication for its paleoecology in the Mediterranean. Neus Jahrbuch fur Geologie und Pala.

S. Adnet, H. Cappetta, and R. Tabuce. 2010. A Middle–Late Eocene vertebrate fauna (marine fish and mammals) from southwestern Morocco, preliminary report: age and palaeobiogeographical implications. Geological Magazine 147(6):860-870.

S. Adnet, P.-O. Antoine, and SR Hassan Baqri, J.-Y. Crochet, L. Marivaux, J.-L. Welcomme, G. Metais . 2007. New tropical carcharhinids (chondrichthyes, Carcharhiniformes) from the late Eocene–early Oligocene of Balochistan, Pakistan: Paleoenvironmental an.

S. Adnet, R. Hoseinzadeh, and M. T. Antunes, A. C. Balbino, V. A. Kozlov, H. Cappetta. 2009. Review of the enigmatic Eocene shark genus Xiphodolamia (Chondrichthyes, Lamniformes) and description of a new species recovered from Angola, Iran and Jordan. Jou.

S. Agematsu, K. Sashida, and S. Salyapongse, A. Sardsud. 2007. Ordovician Conodonts from the Satun Area, Southern Peninsular Thailand. Journal of Paleontology 81(1):19-37.

S. Archangelsky and E. J. Romero. 1974. Polen de Gimnospermas (Coniferas) del Cretácico Superior y Paleoceno de Patagonia. Ameghiniana 11(3):217-236.

S. Archangelsky. 1972. Esporas de la Formación Río Turbio (Eoceno), Provincia de Santa Cruz. Revista del Museo de la Plata (nueva serie), Sección Paleontología 6(39):65-100.

S. Archangelsky. 1973. Palinología del Paleoceno de Chubut. I. Descripciones Sistemáticas. Ameghiniana 10(4):339-399.

S. Ash. 1994. First occurrence of Czekanowskia (Gymnospermae, Czekanowskiales) in the United States. Review of Palaeobotany and Palynology 81:129-140.

S. B. Smith. 1981. Bryozoan-algal patch-reefs in the Upper Permian Lower Magnesian Limestone of Yorkshire, northeast England. SEPM Special Publication 30:187-202.

S. B. Wang and Y. Q. Huang. 1985. Middle Devonian stromatoporoids from Qinjia, Debao, Guangxi. Acta Micropalaeontologica Sinica 2(4):409-412.

S. Bajpai and D. P. Domning. 1997. A new dugongine sirenian from the early Miocene of India. Journal of Vertebrate Paleontology 17(1):219-228.

S. Bajpai and J. G. M. Thewissen. 1998. Middle Eocene Cetaceans from the Harudi and Subathu Formations of India. The Emergence of Whales .

S. Bajpai and J. G. M. Thewissen. 2014. Protocetid cetaceans (Mammalia) from the Eocene of India. Palaeontologia Electronica 17(3):34A.

S. Bajpai and J. J. Head. 2008. An early Eocene palaeopheid snake from Vastan Lignite Mine, Gujarat, India. Gondwana Geological Magazine 22(2):85-90.

S. Bajpai and P. D. Gingerich. 1998. A new Eocene archaeocete (Mammalia, Cetacea) from India and the time of origin of whales. Proceedings of the National Academy of Sciences 95:15464-15468.

S. Bajpai, D. P. Domning, and D. P. Das, J. Velez-Juarbe, V. P. Mishra. 2010. A new fossil sirenian (Mammalia, Dugonginae) from the Miocene of India. Neus Jahrbuch fur Geologie und Palaeontologie, Abhandlungen 258(1):39-50.

S. Bajpai, D. P. Domning, and D. P. Das, V. P. Mishra. 2009. A new middle Eocene sirenian (Mammalia, Protosirenidae) from India. Neus Jahrbuch fur Mineralogie, Geologie, und Palaeontologie 252/3:257-267.

S. Bajpai, J. G. M. Thewissen, and V. V. Kapur, B. N. Tiwari, A. Sahni. 2006. Eocene and Oligocene sirenians (Mammalia) from Kachchh, India. Journal of Vertebrate Paleontology 26(2):400-410.

S. Barta-Calmus and V. Zlatarski. 1971. Flabellum chevalieri sp. n. et Flabellum alloiteaui sp. n., nouvelles especes de madreporaire du Priabonien de Bulgarie [Flabellum chevalieri n. sp. and Flabellum alloiteaui n. sp., new scleractinian species from th.

S. Barta-Calmus. 1969. Études paléontologiques et géologiques sur le Falaises de Fresco (Côte d'Ivoire). Bulletin du Muséum national d'histoire naturelle 41(3):817-832.

S. Barta-Calmus. 1973. Revision de collections de madréporaires provenant du Nummulitique du sud-est de la France, de L'Italie et de la Yougoslavie septentrionales. .

S. Bate. 1859. On the importance of examination of the structure of the integument of crustacea in the determination of doubtful species. Linnean society of London 3:1-4.

S. Benatov. 2001. Brachiopod biostratigraphy of the Middle Triassic in Bulgaria and comparison with elsewhere in Europe. In C. Howard, C. Brunton, L. R. M. Cocks, S. L. Long (eds.), Brachiopods Past and Present 63:384-393.

S. Bengtson, S. Conway Morris, and B. J. Cooper, P. A. Jell, B. N. Runnegar. 1990. Early Cambrian fossils from South Australia. Association of Australasian Palaeontologists 9:1-364.

S. Bengtson. 1970. The Lower Cambrian fossil Tommotia. Lethaia 3(4):363-392.

S. Bengtson. 1986. A new mongolian species of the Lower Cambrian genus Camenella and the problems of scleritome-based taxonomy of the Tommotiidae. Palaeontologische Zeitschrift 60(1):45-55.

S. Bera, M. Banerjee, and T. C. Lahiri. 1996. Tertiary molluscs from the western margin of Bengal Basin, India, with special reference to biostratigraphy and paleoenvironment. Journal of the Paleontological Society of India 41:145-159.

S. Boessenkool, J. J. Austin, and T. H. Worthy, P. Scofield, A. Cooper, P. J. Seddon, J. M. Waters. 2009. Relict or colonizer? Extinction and range expansion of penguins in southern New Zealand. Proceedings of the Royal Society B 276:815-821.

S. Buckman and J. C. Aitchison. 2001. Middle Ordovician (Llandeilan) Radiolarians from West Junggar, Xinjiang, China. Micropaleontology 47(4):359-367.

S. Buser, A. Ramovs, and D. Turnsek. 1982. Triassic Reefs in Slovenia. Facies (6):15-24.

S. C. Hook and W. A. Cobban. 2007. A condensed middle Cenomanian succession in the Dakota Sandstone (Upper Cretaceous), Sevilleta National Wildlife Refuge, Socorro County, New Mexico. New Mexico Geology 29(3):75-96.

S. C. Hook, C. M. Molenaar, and W. A. Cobban. 1983. Stratigraphy and revision of nomenclature of upper Cenomanian to Turonian (Upper Cretaceous) rocks of west-central New Mexico. New Mexico Bureau of Mines and Mineral Resources Circular 185:7-28.

S. C. Matthews. 1970. A new cephalopod fauna from the Lower Carboniferous of East Cornwall. Palaeontology 13:112-131.

S. C. Matthews. 1973. Lapworthellids from the Lower Cambrian Strenuella Limestone at Comley, Shropshire. Palaeontology 16(1):139-148.

S. C. Morris and J. S. Peel. 2013. A new Helcionelloid mollusk from the Middle Cambrian Burgess Shale, Canada. Journal of Paleontology 87(6):1067-1070.

S. C. Peng, L. E. Babcock, and J. X. Zuo, H. L. Lin, X. J. Zhu, X. F. Yang, R. A. Robison, Y. P. Qi, G. Bagnoli, Y. Chen. 2009. The Global Boundary Stratotype Section and Point (GSSP) of the Guzhangian Stage (Cambrian) in the Wuling Mountains, northwester.

S. C. Peng, L. E. Babcock, and J. X. Zuo, H. L. Lin, X. J. Zhu, X. F. Yang, Y. P. Qi, G. Bagnoli, L. W. Wang. 2009. Proposed GSSP for the base of Cambrian Stage 9, coinciding with the first appearance of Agnostotes orientalis, at Duibian, Zhejiang, China..

S. C. Peng, X. F. Yang, and N. C. Hughes. 2008. The oldest known stalk-eyed trilobite, Parablackwelderia Kobayashi, 1942 (Damesellinae, Cambrian), and its occurence in Shandong, China. Journal of Paleontology 82(4):842-850.

S. Calzada and D. Gutiérrez. 1988. Ofiuras (Echinodermata) del Ladiniense catalan. Batalleria 1(1987):31-38.

S. Calzada. 1988. Nautílidos liasicos de los alrededores de Alfara (Tarragona, NE España). Acta Geologica Hispanica 23:303-309.

S. Casadío, M. F. Rodriguez, and V. A. Reichler, H. H. Camacho. 1999. Tertiary nautiloids from Patagonia, southern Argentina. Ameghiniana 36:189-202.

S. Casadio, A. De Angeli, and R. M. Feldmann, A. Garassino, J. L. Hetler, A. Parras, and C. E. Schweitzer. 2004. New decapod crustaceans (Thalassinidea, Galatheoidea, Brachyura) from the Middle Oligocene of Patagonia, Argentina. Annals of Carnegie Museum .

S. Casadio, R. M. Feldmann, and A. Parras, C. E. Schweitzer. 2005. Miocene fossil Decapoda (Crustacea: Brachyura) from Patagonia, Argentina, and their paleoecological setting. Annals of Carnegie Museum 74(3):151-188.

S. Casadio, R. M. Feldmann, and KA Foland. 2000. 40Ar/39Ar age and oxygen isotope temperature of the Centinela Formation, southwestern Argentina: An Eocene age for crustacean-rich Patagonian beds. Journal of South American Earth Sciences 13:123-132.

S. Conway Morris and A. J. Chapman. 1997. Lower Cambrian Halkieriids and other coeloscleritomorphs from Aksu-Wushi, Xinjiang, China. Journal of Paleontology 71(1):6-22.

S. Conway Morris and C. Menge. 1990. Tommotiids from the Lower Cambrian of South China. Journal of Paleontology 64(2):169-184.

S. Conway Morris and C. Menge. 1991. Cambroclaves and paracarinachitids, early skeletal problematica from the Lower Cambrian of South China. Palaeontology 34(2):357-397.

S. Conway Morris and C. Menge. 1992. Carinachitiids, Hexangulaconnulariids and punctatus: problematic metazoans from the Early Cambrian of South China. Journal of Paleontology 66(3):384-406.

S. Conway Morris and J. S. Peel. 1995. Articulated halkieriids from the Lower Cambrian of North Greenland and their role in early protostome evolution. Philosophical Transactions of the Royal Society of London B 347:305-358.