Old Military Crossing, Whiskey Creek, Wichita River (Permian of the United States)

Where: Texas (33.8° N, 99.1° W: paleocoordinates 0.6° N, 30.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Grape Creek Member (Clyde Formation), Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified siliciclastic sediments

Size class: macrofossils

Collected by W.F. Cummins, C.A. White in 1887, 1888; reposited in the USNM

Primary reference: C. A. White. 1889. On the Permian formation of Texas. The American Naturalist 23(266):109-128 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108766: authorized by Matthew Clapham, entered by Matthew Clapham on 04.05.2011, edited by Emma Dunne and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Paleosaurus uniformis1, Embolobus ritillus1
Amphibia
 Temnospondyli - Zatracheidae
Zatrachys seratus1
 Temnospondyli - Eryopidae
Eryops megacephalus1
Eryops megacephalus1 Cope 1877 tetrapod
Osteichthyes
 Embolomera - Archeriidae
Cricotus crassidiscus1
Cricotus crassidiscus1 Cope 1884 tetrapod
Reptilia
  -
Metamosaurus fossatus1
Metamosaurus fossatus1 Cope 1878 reptile
Osteichthyes
 Synapsida - Sphenacodontidae
"Clepsydrops natalis" = Dimetrodon natalis1, "Clepsydrops limbatus" = Dimetrodon limbatus1, "Dimetrodon semiradicatus" = Dimetrodon limbatus1
"Clepsydrops natalis" = Dimetrodon natalis1 Cope 1878 synapsid
"Clepsydrops limbatus" = Dimetrodon limbatus1 Cope 1877 synapsid
"Dimetrodon semiradicatus" = Dimetrodon limbatus1 Cope 1877 synapsid
 Recumbirostra - Gymnarthridae
Pariotichus brachyops1
Pariotichus brachyops1 Cope 1878 amniote
 Recumbirostra - Pantylidae
Pantylus cordatus1
Pantylus cordatus1 Cope 1881 amniote
 Cotylosauria - Diadectidae
"Empedias molaris" = Diadectes molaris1, "Diadectes phaseolinus" = Diadectes sideropelicus1, "Diadectes latibuccatus" = Diadectes sideropelicus1
"Empedias molaris" = Diadectes molaris1 Cope 1878 tetrapod
"Diadectes phaseolinus" = Diadectes sideropelicus1 Cope 1878 tetrapod
"Diadectes latibuccatus" = Diadectes sideropelicus1 Cope 1878 tetrapod
Polychaeta
 Sabellida - Serpulidae
"Spirorbis" sp.3
"Spirorbis" sp.3 Daudin 1800
Cephalopoda
 Prolecanitida - Medlicottiidae
Medlicottia copei n. sp.
Medlicottia copei n. sp. White 1889 ammonite
 Goniatitida - Perrinitidae
"Ptychites cumminsi n. sp." = Metaperrinites cumminsi
"Ptychites cumminsi n. sp." = Metaperrinites cumminsi White 1889 ammonite
 Goniatitida - Popanoceratidae
Popanoceras walcotti n. sp.
Popanoceras walcotti n. sp. White 1889 ammonite
 Goniatitida - Metalegoceratidae
"Goniatites baylorensis n. sp." = Metalegoceras baylorense3
"Goniatites baylorensis n. sp." = Metalegoceras baylorense3 White 1891 ammonite
 Nautilida - Koninckioceratidae
Knightoceras kempae2
Knightoceras kempae2 Miller and Youngquist 1949 nautiloid
 Nautilida - Liroceratidae
Liroceras globulare2
Liroceras globulare2 Hyatt 1893 nautiloid
? Nautilus sp. in Pl 3, figs 6-8 of White, 1891
 Nautilida - Tainoceratidae
Foordiceras sp.2, Tainoceras clydense n. sp.2, Tainoceras clydense2
Foordiceras sp.2 Hyatt 1893 nautiloid
Tainoceras clydense n. sp.2 Miller and Kemp 1947 nautiloid
Tainoceras clydense2 Miller and Kemp 1947 nautiloid
 Nautilida - Grypoceratidae
Stearoceras simplex n. sp.2, Stearoceras militarium n. sp.2, Stearoceras conchiferum2, Stenopoceras whitei2
Stearoceras simplex n. sp.2 Hyatt 1893 nautiloid
Hyatt specimen
Stearoceras militarium n. sp.2 Hyatt 1893 nautiloid
Hyatt specimen
Stearoceras conchiferum2 Hyatt 1891 nautiloid
Hyatt specimen
Stenopoceras whitei2 Miller and Youngquist 1949 nautiloid
Specimens in Pl 2, figs 4-6
 Nautilida - Temnocheilidae
Temnocheilus sp.2
Temnocheilus sp.2 M'Coy 1844 nautiloid
Nautilus (Temnocheilus) winslowi (partim - fig 1-4) in White, 1891
 Pseudorthocerida - Pseudorthoceratidae
"Orthoceras ? rushensis" = Pseudorthoceras knoxense3
"Orthoceras ? rushensis" = Pseudorthoceras knoxense3 McChesney 1859
Gastropoda
 Bellerophontida - Bellerophontidae
? Bellerophon sp.3, Bellerophon sp.5
? Bellerophon sp.3 de Montfort 1808 snail
Bellerophon sp.5 de Montfort 1808 snail
 Murchisoniina - Murchisoniidae
? Murchisonia sp.3
? Murchisonia sp.3 d'Archiac and de Verneuil 1841 snail
 Euomphalina - Euomphalidae
"Euomphalus" sp.3, Amphiscapha (Cylicioscapha) texana4
"Euomphalus" sp.3 Sowerby 1814 snail
Amphiscapha (Cylicioscapha) texana4 Yochelson 1956 snail
 Neritoidea - Naticopsidae
Naticopsis remex3
Naticopsis remex3 White 1876 snail
Bivalvia
 Myalinida - Myalinidae
Myalina permiana3, "Myalina perattenuata" = Septimyalina perattenuata3
Myalina permiana3 Shumard 1860 clam
"Myalina perattenuata" = Septimyalina perattenuata3 Meek and Hayden 1858 clam
 Pectinida - Aviculopectinidae
Aviculopecten occidentalis3
Aviculopecten occidentalis3 Shumard 1855 scallop
Ostracoda
 Platycopida - Cavellinidae
"Cythere nebrascensis" = Cavellina nebrascensis3
"Cythere nebrascensis" = Cavellina nebrascensis3 Geinitz 1866 ostracod
1Cummins 1908; 2Miller and Youngquist 1949; 3White 1891; 4Yochelson 1956; 5Yochelson 1960