Sierra Dorotea [Cerro Dorotea Fm]: Paleocene, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Olsacheria argentina
Bivalvia - Nuculanida - Malletiidae
Malletia (Neilo) rudis
Malletia gracilis Wilckens 1905
recombined as Australoneilo gracilis
Bivalvia - Nuculida - Nuculidae
Nucula stationis
Bivalvia - Ostreida - Ostreidae
Ostrea rionegrensis
Ostrea cf. guaranitica
Ostrea radiata Lamarck 1819
recombined as Lopha radiata
Bivalvia - Pectinida - Limidae
Lima (Acesta) snowhillensis
original and current combination Acesta
Bivalvia - Arcida - Cucullaeidae
Cucullaea antarctica
? Cucullaea grahamensis
Bivalvia - Carditida - Astartidae
Astarte cf. venatorum
Eriphyla drygalskiana
Bivalvia - Carditida - Crassatellidae
Crassatellites sp. Krueger 1823
synonym of Crassatella
Bivalvia - Hiatellida - Hiatellidae
Panope cf. inferior
corrected as Panopea
Panope aff. simplex
corrected as Panopea
Panope pastorei
corrected as Panopea
Panope thomasi
corrected as Panopea
Panope prenucleus
corrected as Panopea
Panope sp. Menard 1807
corrected as Panopea
Bivalvia - Cardiida - Lahillidae
Lahillia gigantea
Bivalvia - Cardiida - Veneridae
Tapes sp. Mühlfeld 1811
Meretrix rothi
Meretrix australis
Meretrix antarctica
Bivalvia - Pholadida - Pholadidae
Martesia cazadoriana
Bivalvia - Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789
Scaphopoda - Dentaliida - Dentaliidae
Dentalium cazadoriana
Gastropoda - Opisthobranchia - Retusidae
Retusa cf. scutata
Gastropoda - Opisthobranchia - Bullidae
Bulla sp. Linnaeus 1758
Gastropoda - Heterostropha - Acteonidae
Tornatellaea aff. patagonica
Tornatellaea guillermoi
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea sp. Lamarck 1799
Gastropoda - Ampullinidae
Ampullina australis
Ampullospira dubia
spelled with current rank as Ampullina (Ampullospira)
Gastropoda - Tylostomatidae
Pterodonta patagonica
Gastropoda - Struthiolariidae
Struthiolaria senoniana
Gastropoda - Aporrhaidae
Perissoptera schlagintweiti
Perissoptera cf. monodactyla
Arrhoges gregaria
Gastropoda - Neogastropoda
Struthiolariopsis aff. ferrieri
Gastropoda - Neogastropoda - Turridae
Pleurotoma crassatina
synonym of Turris
Gastropoda - Neogastropoda - Nassariidae
Fusus elegans
Fusus aff. dusenianus
Gastropoda - Neogastropoda - Buccinidae
Cominella tumida
Cominella patagonica
Austrocominella sp. (Ihering 1907)
Gastropoda - Naticidae
Lunatia pueyrredonensis
Lunatia cf. constricta
Polinices cerreria
Gastropoda - Turritellidae
Turritella cazodoriana
Turritella aff. ameghinoi
Gastropoda
Pseudotylostoma romeroi
see common names

Geography
Country:Argentina
Coordinates: 51.3° South, 72.3° West (view map)
Paleocoordinates:53.7° South, 62.7° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Paleocene
Age range of interval:66.00000 - 56.00000 m.y. ago
Stratigraphy
Formation:Cerro Dorotea
Stratigraphic resolution:formation
Stratigraphy comments: 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.
Lithology and environment
Primary lithology: "siliciclastic"
Includes fossils?Y
Lithology description: LITHOLOGY: Unknown, siliciclastic. LITHIFICATION: Poorly-lithified, on the basis of figured specimens.
Environment:marine indet.
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils
Preservation of anatomical detail:poor
Collection methods and comments
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: REPOSITORY: Not stated. COLLECTOR: Multiple collectors, possibly including Hünicken and Griffin.
Taxonomic list comments:COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications.
Metadata
Database number:99258
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2010-11-03 19:25:11 Last modified:2013-11-25 13:37:23
Access level:the public Released:2010-11-03 19:25:11
Creative Commons license:CC BY
Reference information

Primary reference:

34134. C. del Rio. 2002. Molluscos del Terciario marino. Geología y Recursos Naturales de Santa Cruz 2(9):1-22 [A. Hendy/A. Hendy]