Vinton Canyon Aptychi, E' I-10 (Carboniferous of the United States)

Where: El Paso County, Texas (32.0° N, 106.6° W: paleocoordinates 4.4° S, 41.0° W)

• coordinate estimated from map

When: Bishop Cap Member (Magdalena Formation), Desmoinesian (312.8 - 306.0 Ma)

• lower middle part of the Bishop Cap Member, Magdalena Formation (Des Moinesian)

Environment/lithology: shallow subtidal; lithified, brown, gray, argillaceous limestone

• nearshore, marine, and shallow water; low-energy environment
• aptychi described were found in a small abandoned clay quarry between ElFoul's sections I and II, south of the type section and approx. 50m south of the dirt road into Vinton Canyon. This quarry is the westernmost of three small quarries south of the canyon.

•aptychi were found in the lower middle part of the formation in a 45-cm-thick bed of argillaceous limestone. This bed, which strikes N5°W and dips 45°W, is a dense, dark-gray, fine-grained limestone that weathers light brown

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: E.H. Thompson, E.L. Yochelson, and R.H. Flower. 1980. Aptychi from the Pennsylvanian of West Texas. Journal of Paleontology 54(5):903-909 [B. Seuss/B. Seuss/B. Seuss]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216619: authorized by Barbara Seuss, entered by Barbara Seuss on 22.12.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
columnals
Stenolaemata
 Fenestrata -
Fenestrata indet. Elias and Condra 1957
Strophomenata
 Strophomenida - Rugosochonetidae
Neochonetes sp. Muir-Wood 1962
Mesolobus sp. Dunbar and Condra 1932
 Productida -
Desmoinesia sp. Hoare 1960
Rhynchonellata
 Spiriferida - Trigonotretidae
Neospirifer sp. Fredericks 1919
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
 Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
Scaphopoda
  -
Scaphopoda indet. Bronn 1862 tusk shell
on egenus
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon sp. de Montfort 1808 snail
Knightites sp. Moore 1941 snail
 Bellerophontida - Euphemitidae
Euphemites sp. Warthin 1930 snail
 Caenogastropoda - Orthonematidae
Orthonema sp. Meek and Worthen 1862 snail
 Caenogastropoda - Goniasmatidae
Goniasma sp. Tomlin 1930 snail
 Murchisoniina - Portlockiellidae
Shansiella sp. Yin 1932 snail
 Murchisoniina - Gosseletinidae
Gosseletina sp. Fischer 1885 snail
 Murchisoniina - Phymatopleuridae
Paragoniozona sp. Nelson 1947 snail
 Murchisoniina - Soleniscidae
Soleniscus sp. Meek and Worthen 1860 snail
Ianthinopsis sp. Meek and Worthen 1866 snail
Bivalvia
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
 Nuculanida - Nuculanidae
Nuculana sp. Link 1807 pointed nut clam
 Nuculanida - Polidevciidae
Phestia sp. Chernyshev 1951 clam
 Pectinida - Streblochondriidae
Streblochondria sp. Newell 1938 scallop
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam
 Carditida - Astartidae
Astartella sp. Hall 1858 clam
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
sparse conchs
 Nautilida - Tainoceratidae
Metacoceras sp. Hyatt 1883
? Tainoceras sp. Hyatt 1883
 Nautilida - Liroceratidae
Liroceras sp. Teichert 1940
 Ammonoidea -
Cornaptychus sp. Trauth 1927 ammonoid aptychus
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras knoxense McChesney 1859
Heteractinida
 Octactinellida - Wewokellidae
Regispongia sp. Rigby 1978