La Carlota (Carboniferous to of Argentina)

Where: Chubut, Argentina (43.5° S, 70.8° W: paleocoordinates 56.5° S, 81.4° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Mojon de Hierro Formation (Tepuel Group), Bashkirian to Bashkirian (323.2 - 307.0 Ma)

• =5th fossiliferous horizon of Mojon de Hierro Formation. Cancrinella Zone is basal Permian in Argentina.

Environment/lithology: marine; lithified sandstone and lithified conglomerate

• The Mojon de Hierro Formation consists of sandstones with some conglomerates and black shales.

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: C. R. Gonzalez. 1974. Bivalvos del Permico inferior de Chubut, Argentina. Acta Geologica Lilloana 12:233-271 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39936: authorized by David Bottjer, entered by Matthew Clapham on 12.06.2004, edited by Uta Merkel and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Bivalvia
 Myalinida - Myalinidae
 Pectinida - Euchondriidae
Euchondria sabattini n. sp. scallop
 Pectinida - Limidae
Palaeolima antinaoensis González 1972 file clam
 Pectinida - Deltopectinidae
Streblopteria sp. n. sp. McCoy 1851 scallop
Open nomenclature due to lack of material
 Cardiidia - Sanguinolitidae
Sueroa andreisi1, "Cosmomya (Palaeocosmomya) chubutensis" = Sueroa chubutensis, ? Sanguinolites sp.
"Cosmomya (Palaeocosmomya) chubutensis" = Sueroa chubutensis González 1969 clam
? Sanguinolites sp. M'Coy 1844 clam
 Cardiida - Kalenteridae
? Netschajewia sp. Licharew 1925 clam
 Trigoniida - Schizodidae
Schizodus sp. King 1844 clam
 Nuculida - Nuculidae
Nuculopsis sp. Girty 1912 nut clam
 Protobranchia - Malletiidae
Palaeoneilo sp. n. sp.1 Hall and Whitfield 1869 clam
 Protobranchia - Nuculanidae
Phestia sp. Chernyshev 1951 pointed nut clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
 Euomphalina -
Neoplatyteichum barrealensis2 Cowper Reed 1927 snail
 Murchisoniina - Gosseletinidae
Peruvispira sueroi n. sp.2, Glabrocingulum sp., "Mourlonia (Pseudobaylea) popperimensis" = Pseudobaylea poperimensis2
Peruvispira sueroi n. sp.2 Sabattini and Noirat 1969 snail
Glabrocingulum sp. Thomas 1940 snail
"Mourlonia (Pseudobaylea) popperimensis" = Pseudobaylea poperimensis2 Maxwell 1964 snail
 Pleurotomariida - Phymatopleuridae
Callitomaria tepuelensis n. sp.2 Sabattini and Noirat 1969 snail
 Trochoidea - Araeonematidae
"Yunnania subpygmaea" = Yunnania pygmaeus2
"Yunnania subpygmaea" = Yunnania pygmaeus2 de Koninck 1844 snail
Stenolaemata
 Fenestrida - Fenestellidae
Fenestella sp. Lonsdale 1839
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes amosi Gonzalez and Sabattini 1972
Strophomenata
 Productida - Monticuliferidae
"Cancrinella farleyensis" = Costatumulus farleyensis
"Cancrinella farleyensis" = Costatumulus farleyensis Etheridge and Dun 1909
Anthozoa
 Stauriida - Zaphrentidae
"? Zaphrentis sp." = Zaphrenthis
"? Zaphrentis sp." = Zaphrenthis Rafinesque and Clifford 1820 horn coral