Ferrarotti, 5th fossiliferous horizon, Mojon de Hierro Formation, Chubut (Carboniferous to of Argentina)

Where: Argentina (44.5° S, 70.0° W: paleocoordinates 57.6° S, 82.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• 5th fossiliferous horizon. Costatumulus amosi zone.

• group of beds-level stratigraphic resolution

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

Primary reference: C. R. Gonzalez. 2006. Lower Permian bivalves from central Patagonia, Argentina. Paläontologische Zeitschrift 80(2):130-155 [W. Kiessling/U. Merkel/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64621: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Piatnitzkia borreloi
Scyphozoa
 Conulariida - Conulariidae
Paraconularia sp.
Anthozoa
 Auloporida - Pyrgiidae
? Cladochonus sp.
? Cladochonus sp. M'Coy 1847 tabulate coral
 Stauriida - Zaphrentidae
"? Zaphrentis sp." = Zaphrenthis
"? Zaphrentis sp." = Zaphrenthis Rafinesque and Clifford 1820 horn coral
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
Strophomenata
 Strophomenida - Rugosochonetidae
Tivertonia jachalensis, ? Lissochonetes sp.
? Lissochonetes sp. Dunbar and Condra 1932
 Productida - Monticuliferidae
Costatumulus amosi
Costatumulus amosi Taboada 1998
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris roxoi
 Rhynchonellida - Leiorhynchidae
"Nudirostra cuyana" = Leiorhynchus
"Nudirostra cuyana" = Leiorhynchus
Bivalvia
 Nuculanida - Polidevciidae
Phestia sp. n. sp.
Phestia sp. n. sp. Chernyshev 1951 clam
 Nuculida - Nuculidae
"Nuculopsis (Nuculanella) camachoi" = Nuculanella
"Nuculopsis (Nuculanella) camachoi" = Nuculanella nut clam
 Pectinida - Euchondriidae
Euchondria sabattiniae
 Pectinida - Streblochondriidae
Streblopteria sp., Streblochondria sp.
Streblopteria sp. McCoy 1851 scallop
Streblochondria sp. Newell 1938 scallop
 Pectinida - Heteropectinidae
? Etheripecten saraviae, Heteropecten sp.
Heteropecten sp. Kegel and Costa 1951 scallop
 Pectinida - Pterinopectinidae
Dunbarella sp. n. sp.
Dunbarella sp. n. sp. Newell 1938 scallop
 Cardiidia - Sanguinolitidae
? Pachymyonia sp. n. sp.
? Pachymyonia sp. n. sp. Dun 1932 clam
Gastropoda
 Murchisoniina - Gosseletinidae
Nodospira sp., Glabrocingulum sp.
Nodospira sp. Yochelson and Dutro 1960 snail
Glabrocingulum sp. Thomas 1940 snail
 Bellerophontida - Euphemitidae
Euphemites chubutensis
Euphemites chubutensis Sabattini 1992 snail
 Bellerophontida - Bellerophontidae
? Bellerophon sp.
? Bellerophon sp. de Montfort 1808 snail
Cephalopoda
 Pseudorthocerida - Spyroceratidae
? Reticycloceras sp.