J-R Assemblage, Cabo Tres Puntas (Oligocene to of Argentina)

Where: Santa Cruz, Argentina (47.1° S, 66.1° W: paleocoordinates 48.0° S, 59.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: San Julian Formation, Late/Upper Oligocene to Late/Upper Oligocene (28.4 - 16.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandy limestone and sandstone

Primary reference: C. J. del Rio. 2004. Tertiary Marine Molluscan Assemblages of Eastern Patagonia (Argentina): A Biostratigraphic Analysis. Journal of Paleontology 78(6):1097-1122 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 48068: authorized by Linda Ivany, entered by Patrick Wall on 11.03.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Ptenoglossa -
Peonza torquata Olivera 1994 snail
 Opisthobranchia -
 Sorbeoconcha - Newtoniellidae
 Sorbeoconcha - Naticidae
"Polinices" secunda, ""Polinices" santacrucensis" = Polynices santacrucensis, ""Polinices" jorgensis" = Polynices jorgensis, ""Polinices" ortmanni" = Polynices ortmanni, ""Polinices" consimilis" = Polynices consimilis
""Polinices" santacrucensis" = Polynices santacrucensis Ihering 1907 moon snail
""Polinices" jorgensis" = Polynices jorgensis Ihering 1907 moon snail
""Polinices" ortmanni" = Polynices ortmanni Ihering 1907 moon snail
""Polinices" consimilis" = Polynices consimilis Ihering 1907 moon snail
 Sorbeoconcha - Ranellidae
"Austrosassia aff. mathewi" = Sassia, ""Siphonalia" nodosocincta" = Sassia armata, ""Lotorium" usurpator" = Cymatium, ""Lotorium" rada" = Cymatium
"Austrosassia aff. mathewi" = Sassia triton shell
""Siphonalia" nodosocincta" = Sassia armata Hupé 1854 triton shell
""Lotorium" usurpator" = Cymatium triton shell
""Lotorium" rada" = Cymatium triton shell
 Sorbeoconcha - Struthiolariidae
Struthiolarella ameghinoi Ihering 1897 snail
Struthiolarella cuevensis Camacho and Zinsmeister 1989 snail
Struthiolarella patagoniensis Camacho and Zinsmeister 1989 snail
 Neogastropoda - Muricidae
"Hadriania" jorgensis Ihering 1907 murex snail
"Xymenella elegans" = Xymene murex snail
"Urosalpinx" cossmanni Ortmann 1900 murex snail
 Neogastropoda - Volutidae
""Proscaphella" petersoni" = Miomelon, ""Proscaphella" orbignyana" = Miomelon, ""Proscaphella" gracilior" = Miomelon gracilis, Pachycymbiola ameghinoi, "Lyria" dalli
""Proscaphella" petersoni" = Miomelon volute
""Proscaphella" orbignyana" = Miomelon volute
""Proscaphella" gracilior" = Miomelon gracilis Philippi 1887 volute
Pachycymbiola ameghinoi Ihering 1896 volute
"Lyria" dalli Ihering 1907 volute
 Neogastropoda - Mangeliidae
"Fusiguraleus pilsbry" = Neoguraleus (Fusiguraleus)
"Fusiguraleus pilsbry" = Neoguraleus (Fusiguraleus) snail
 Neogastropoda - Terebridae
 Neogastropoda - Turridae
"Genotia" cruzensis, "Eoturris unifascialis" = Eopleurotoma, "Eoturris jorgensis" = Eopleurotoma
"Genotia" cruzensis Ihering 1907 turrid
"Eoturris unifascialis" = Eopleurotoma turrid
"Eoturris jorgensis" = Eopleurotoma turrid
 Neogastropoda - Borsoniidae
 Neogastropoda - Drilliidae
 Neogastropoda - Cancellariidae
 Neogastropoda - Nassariidae
 Neogastropoda - Buccinidae
 Neogastropoda - Mitridae
Austroimbricaria quemadensis Ihering 1897 mitre shell
 Neogastropoda - Volutomitridae
Neoimbricaria patagonica Ihering 1897 snail
 Neogastropoda - Costellariidae
 Sorbeoconcha - Ficidae
Ficus carolina d'Orbigny 1847 fig shell
 Epitonioidea - Epitoniidae
 Cerithioidea - Turritellidae
"Turritella" ambulacrum Sowerby 1846 turret shell
 Neotaenioglossa - Calyptraeidae
Crepidula gregaria slipper shell
Calyptraea americana slipper shell
"Calyptraea" pileus Lamarck 1822 slipper shell
 Trochoidea - Solariellidae
 Trochoidea - Trochidae
 Trochoidea - Turbinidae
"Leptothyra philippi" = Collonista
"Leptothyra philippi" = Collonista snail
 Trochoidea - Tegulidae
 Heterostropha - Pyramidellidae
Bivalvia
 Nuculida -
 Nuculida - Nuculidae
"Lamellinucula reticularis" = Nucula (Lamellinucula)
"Lamellinucula reticularis" = Nucula (Lamellinucula) nut clam
 Nuculanida - Malletiidae
Neilo (Neilo) ornata Sowerby 1846 clam
 Mytilida - Crenellidae
 Mytilida - Mytilidae
"Aulacomya cf. ater" = Aulacomya atra Molina 1782 mussel
Modiolus ameghinoi Ihering 1907 mussel
 Pectinida - Limidae
Neoinoceramus ameghinoi, "Lima (Limatula) cossmanni" = Limatula, "Lima (Limatula) pisum" = Limatula, Lima (Limaria) patagonica
"Lima (Limatula) cossmanni" = Limatula file clam
"Lima (Limatula) pisum" = Limatula file clam
Lima (Limaria) patagonica Wilckens 1907 file clam
 Pectinida - Anomiidae
 Pectinida - Pectinoidae
""Chlamys" jorgensis" = Chlamys (Zygochlamys) jorgensis Ihering 1907 scallop
"Zygochlamys" geminata Sowerby 1846 scallop
Jorgechlamys centralis Sowerby 1846 scallop
"Swiftopecten iheringii" = Chlamys (Swiftopecten) iheringii del Rio 1995 scallop
""Chlamys" eupatagonica" = Chlamys eupatagonicus Ihering 1907 scallop
 Ostreida - Malleidae
"Perna quadrisulcata" = Isognomon quadrisulcata
"Perna quadrisulcata" = Isognomon quadrisulcata Ihering 1897 oyster
 Ostreida - Pinnidae
Pinna (Atrina) magellanica Ihering 1907 oyster
 Ostreida - Ostreidae
Cubitostrea sp. Sacco 1897 oyster
 Arcida - Arcidae
"Arca patagonica" = Arca (Arca) patagonica Ihering 1897 ark
 Arcida - Parallelodontidae
Cucullaria darwini Philippi 1887 clam
 Arcida - Cucullaeidae
 Arcida - Limopsidae
Limopsis insolita Sowerby 1846 clam
 Hiatellida - Hiatellidae
"Panopea regularis" = Panopea (Panopea) regularis Ortmann 1900 clam
 Solenida - Solenidae
"Solen (Eosolen) crucis" = Solena (Eosolen)
"Solen (Eosolen) crucis" = Solena (Eosolen) clam
 Pholadida - Corbulidae
 Pholadida - Pholadidae
Pholadidea patagonica Philippi 1887 clam
 Cardiida - Cardiidae
"Cardium" pisum Philippi 1887 cockle
""Cardium" patagonicum" = Hedecardium (Iheringicardium) patagonicum Ihering 1907 cockle
 Cardiida - Lahillidae
Lahillia patagonica Ihering 1907 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Pitar julianum venus clam
Retrotapes scutata venus clam
Ameghinomya argentina Ihering 1897 venus clam
Ameghinomya meridionalis Sowerby 1846 venus clam
? Ameghinomya darwini Philippi 1887 venus clam
"Chione" casa Ihering 1907 venus clam
"Chione" patagonica Philippi 1887 venus clam
"Chione" eupyga Ihering 1907 venus clam
 Lucinida - Lucinidae
 Carditida - Carditidae
Pleuromeris sp. Conrad 1867 clam
"Fasciculicardia inaequalis" = Glyptoactis (Fasciculicardia) clam
 Carditida - Crassatellidae