Mount Spann, NE Argentina Range (Cambrian of Antarctica)

Where: Antarctica (82.0° S, 41.3° W: paleocoordinates 13.3° S, 152.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mount Spann Formation, Guzhangian (500.5 - 497.0 Ma)

• late Middle Cambrian

Environment/lithology: shallow subtidal; limestone

Primary reference: A. R. Palmer and C. G. Gatehouse. 1972. Early and Middle Cambrian Trilobites from Antarctica. Contributions to the geology of Antarctica [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154032: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 23.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Eodiscidae
? Pagetides antarcticus Palmer and Gatehouse 1972
Trilobita
 Corynexochida - Dorypygidae
Olenoides sp. Meek 1877 trilobite
 Asaphida - Anomocarellidae
Liopeishania spannensis Palmer and Gatehouse 1972 trilobite
 Ptychopariida - Solenopleuridae
Solenopleura pruina Palmer and Gatehouse 1972 trilobite
 Ptychopariida - Alokistocaridae
Schopfaspis granulosus Palmer and Gatehouse 1972 trilobite
 Ptychopariida - Conokephalinidae
? Suludella davnii Palmer and Gatehouse 1972 trilobite
? Suludella spinosa Palmer and Gatehouse 1972 trilobite
 Ptychopariida - Ptychopariidae
"Nelsonia schesis" = Paleonelsonia schesis
"Nelsonia schesis" = Paleonelsonia schesis Palmer and Gatehouse 1972 trilobite