TXV-67 (FS), near Jacksboro TX (Carboniferous of the United States)

Also known as AMNH locality 5521

Where: Jack County, Texas (33.2° N, 98.1° W: paleocoordinates 5.7° S, 32.4° W)

• coordinate estimated from map

When: Finis Shale Member (Graham Formation), Virgilian (303.7 - 298.9 Ma)

Environment/lithology: marine; shale

• 2.0-8.5 Covered shale.

•1.0-2.0 Powdery weathering shale with limonitic and calcareous concretions, brown-gray on fresh surface.

•0.2-1.0 Gray shale, weathers clayey with limonitic and calcareous concretions

•0.0-0.2 Very dark gray shale with limonitic concretions, weathers dark gray and clayey

Size classes: macrofossils, mesofossils

Collection methods: surface (float), surface (in situ)

Primary reference: W. Boston. 1988. The surficial geology, paleontology, and paleoecology of the Finis Shale (Pennsylvanian, Lower Virgilian) in Jack County, Texas. 293 [B. Seuss/B. Seuss/B. Seuss]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 217927: authorized by Barbara Seuss, entered by Barbara Seuss on 18.02.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

• 1.0-2.0 contains corals, gastropods, brachiopods and crinoids

•0.2-1.0 contains brachiopods, gastropods and nautiloids.

•0.0-0.2 contains brachiopods, ammonoids and gastropods.

unclassified
  -
"Merceras" sp.
1 specimen
Bradyphyllidum ? sp.
1 specimen; could be Bradyphyllum
Nautiloidea indet.
straight (1)
Cephalopoda
 Pseudorthocerida - Pseudorthoceratidae
Pseudorthoceras knoxense McChesney 1859
7 specimens
 Goniatitida - Schistoceratidae
Schistoceras missouriense Miller and Faber 1892 ammonite
2 specimens
 Goniatitida - Gonioloboceratidae
"Gonioloboceras goniolobum" = Gonioloboceras goniolobus
"Gonioloboceras goniolobum" = Gonioloboceras goniolobus Meek 1877 ammonite
1 specimen
 Nautilida -
Neobistrialites sp.
3 specimens
 Nautilida - Tainoceratidae
Gastropoda
 Bellerophontida - Bellerophontidae
"Bellerophon tricarinatus" = Pharkidonotus percarinatus
"Bellerophon tricarinatus" = Pharkidonotus percarinatus Conrad 1842 snail
1 specimen
 Caenogastropoda - Meekospiridae
Meekospira percuta snail
3 specimens
 Murchisoniina - Phymatopleuridae
Worthenia tabulata Conrad 1835 snail
5 specimens
 Murchisoniina - Gosseletinidae
Glabrocingulum gravillense snail
14 specimens
"Trepospira depressa" = Trepospira illinoisensis Worthen 1884 snail
5 specimens
 Euomphalina - Euomphalidae
"Straparolus subrugosus" = Straparollus
"Straparolus subrugosus" = Straparollus snail
1 specimen
Bivalvia
 Nuculida - Nuculidae
Nuculopsis girtyi Schenck 1934 nut clam
1 specimen
 Nuculanida - Sareptidae
Paleyoldia stevensoni clam
6 specimens
 Cardiidia - Sanguinolitidae
Wilkingia terminalis Hall 1852 clam
1 specimen
 Carditida - Astartidae
Astartella concentrica clam
1 specimen
Strophomenata
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
5 specimens
 Productida - Productellidae
"Retaria lasallensis" = Kutorginella lasallensis Worthen 1873
17 specimens
 Productida - Linoproductidae
Linoproductus cora d'Orbigny 1842
4 specimens
Rhynchonellata
 Athyridida - Athyrididae
Composita subtilita Hall 1852
11 specimens
 Spiriferida - Elythidae
"Phricodothyris perplexa" = Condrathyris perplexa
"Phricodothyris perplexa" = Condrathyris perplexa McChesney 1859
1 specimen
 Spiriferida - Spiriferellidae
 Spiriferida - Trigonotretidae
Neospirifer dunbari King 1933
4 specimens
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
stems (8)
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
 Stauriida - Cyathopsidae
Caninia torguium horn coral
1 specimen
 Stauriida - Lophophyllidae
Lophophyllidium linosum horn coral
4 specimens
"Lophophyllidium spinosum" = Lophophyllidium (Lophophyllidium) absitum Jeffords 1947 horn coral
2 specimens
Scyphozoa
 Conulariida - Conulariidae
Paraconularia sp. jellyfish
1 specimen