PBDB Collection

Sierra Dorotea [Cerro Dorotea Fm] (Paleocene of Argentina)

Where: Argentina (51.3° S, 72.3° W: paleocoordinates 53.7° S, 62.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cerro Dorotea Formation, Paleocene (66.0 - 56.0 Ma)

• LITHOSTRATIGRAPHY: From Formación Cerro Dorotea, which (?) overlies Formación Cazador and is overlain by Formación Rio Turbio. AGE: Paleocene. The authors consider to the fauna of contained gastropods in all these levels as of age probably Paleocene by their affinities to the Salamanca and Wangaloa formations. STRATIGRAPHIC POSITION: Composite list for formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• LITHOLOGY: Unknown, siliciclastic. LITHIFICATION: Poorly-lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: REPOSITORY: Not stated. COLLECTOR: Multiple collectors, possibly including Hünicken and Griffin.

Primary reference: C. del Rio. 2002. Molluscos del Terciario marino. Geología y Recursos Naturales de Santa Cruz 2(9):1-22 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99258: authorized by Austin Hendy, entered by Austin Hendy on 03.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications.

Show authors, comments, and common names

unclassified
-	Olsacheria argentina Olsacheria argentina
Bivalvia
Nuculida - Nuculidae	Nucula stationis Nucula stationis nut clam
Nuculanida - Malletiidae	"Malletia gracilis" = Australoneilo gracilis, Malletia (Neilo) rudis "Malletia gracilis" = Australoneilo gracilis Wilckens 1907 clam Malletia (Neilo) rudis Wilckens 1907 clam
Arcida - Cucullaeidae	? Cucullaea grahamensis, Cucullaea antarctica ? Cucullaea grahamensis clam Cucullaea antarctica Wilckens 1907 clam
Pectinida - Limidae	"Lima (Acesta) snowhillensis" = Acesta "Lima (Acesta) snowhillensis" = Acesta file clam
Ostreida - Ostreidae	Ostrea rionegrensis, Ostrea cf. guaranitica, "Ostrea radiata" = Lopha radiata Ostrea rionegrensis oyster Ostrea cf. guaranitica oyster "Ostrea radiata" = Lopha radiata Lamarck 1819 oyster
Trigoniida - Trigoniidae	Trigonia sp. Trigonia sp. Bruguière 1789 clam
Hiatellida - Hiatellidae	"Panope cf. inferior" = Panopea, "Panope aff. simplex" = Panopea, "Panope pastorei" = Panopea, "Panope thomasi" = Panopea, "Panope prenucleus" = Panopea, "Panope sp." = Panopea "Panope cf. inferior" = Panopea clam "Panope aff. simplex" = Panopea clam "Panope pastorei" = Panopea clam "Panope thomasi" = Panopea clam "Panope prenucleus" = Panopea clam "Panope sp." = Panopea Menard 1807 clam
Cardiida - Veneridae	Tapes sp., Meretrix rothi, Meretrix australis, Meretrix antarctica Tapes sp. Mühlfeld 1811 venus clam Meretrix rothi venus clam Meretrix australis venus clam Meretrix antarctica venus clam
Cardiida - Lahillidae	Lahillia gigantea Lahillia gigantea clam
Pholadida - Pholadidae	Martesia cazadoriana Martesia cazadoriana Wilckens 1907 clam
Carditida - Astartidae	Eriphyla drygalskiana, Astarte cf. venatorum Eriphyla drygalskiana clam Astarte cf. venatorum Wilckens 1907 clam
Carditida - Crassatellidae	"Crassatellites sp." = Crassatella "Crassatellites sp." = Crassatella Lamarck 1799 clam
Scaphopoda
Dentaliida - Dentaliidae	Dentalium cazadoriana Dentalium cazadoriana tusk shell
Gastropoda
Sorbeoconcha - Tylostomatidae	Pterodonta patagonica Pterodonta patagonica snail
Sorbeoconcha - Naticidae	Polinices cerreria, Lunatia pueyrredonensis, Lunatia cf. constricta Polinices cerreria moon snail Lunatia pueyrredonensis moon snail Lunatia cf. constricta moon snail
Neogastropoda - Nassariidae	Fusus elegans, Fusus aff. dusenianus Fusus elegans snail Fusus aff. dusenianus snail
Neogastropoda - Buccinidae	Cominella tumida, Cominella patagonica, Austrocominella sp. Cominella tumida true whelk Cominella patagonica true whelk Austrocominella sp. Ihering 1907 true whelk
Neogastropoda - Turridae	"Pleurotoma crassatina" = Turris "Pleurotoma crassatina" = Turris turrid
Neogastropoda -	Struthiolariopsis aff. ferrieri Struthiolariopsis aff. ferrieri snail
Sorbeoconcha - Aporrhaidae	Perissoptera schlagintweiti, Perissoptera cf. monodactyla, Arrhoges gregaria Perissoptera schlagintweiti snail Perissoptera cf. monodactyla snail Arrhoges gregaria snail
Sorbeoconcha - Struthiolariidae	Struthiolaria senoniana Struthiolaria senoniana snail
Architaenioglossa - Ampullinidae	Ampullina australis, "Ampullospira dubia" = Ampullina (Ampullospira) Ampullina australis snail "Ampullospira dubia" = Ampullina (Ampullospira) snail
Cerithioidea - Turritellidae	Turritella cazodoriana, Turritella aff. ameghinoi Turritella cazodoriana turret shell Turritella aff. ameghinoi turret shell
Neotaenioglossa - Calyptraeidae	Calyptraea sp. Calyptraea sp. Lamarck 1799 slipper shell
Opisthobranchia - Bullidae	Bulla sp. Bulla sp. Linnaeus 1758 snail
Opisthobranchia - Retusidae	Retusa cf. scutata Retusa cf. scutata snail
Heterostropha - Acteonidae	Tornatellaea aff. patagonica, Tornatellaea guillermoi Tornatellaea aff. patagonica snail Tornatellaea guillermoi snail
-	Pseudotylostoma romeroi Pseudotylostoma romeroi snail