Where: Texas (31.8° N, 104.8° W: paleocoordinates 3.4° N, 33.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Cutoff Formation, Roadian (272.3 - 268.8 Ma)
• Basal black limestone below Delaware Mountain sandstone
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified limestone
Size class: macrofossils
Primary reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 108832: authorized by Matthew Clapham, entered by Matthew Clapham on 07.05.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Stenopora cf. granulosa Girty 1908 | |
Rhynchonellata | |
"Hustedia cf. papillata" = Hustedia mormoni papillata
"Hustedia cf. papillata" = Hustedia mormoni papillata Shumard 1858 | |
Composita mexicana Hall 1857 | |
Enteletes "sp. c" Waldheim 1825 | |
"Pugnax pusilla" = Petasmatherus pusillus
"Pugnax pusilla" = Petasmatherus pusillus Girty 1908 | |
Strophomenata | |
Aulosteges "sp. a" von Helmersen 1847
Aulosteges "sp. b" von Helmersen 1847 | |
Cyclacantharia kingorum Cooper and Grant 1969 | |
Meekella multilirata n. sp. Girty 1908
Meekella attenuata Girty 1908 | |
Bivalvia | |
Aviculopecten "sp. a" M'Coy 1851 scallop | |
"Yoldia" sp. Möller 1842 clam | |
? Clinopistha cf. levis, "? Solenomya sp." = Solemya
? Clinopistha cf. levis Meek and Worthen 1870 Awning Clam
"? Solenomya sp." = Solemya Children 1823 Awning Clam | |
"Nucula" "sp. a" Lamarck 1799 nut clam
"Nucula" "sp. b" Lamarck 1799 nut clam | |
Cephalopoda | |
"Foordiceras praecursor" = Pleuronautilus praecursor
"Foordiceras praecursor" = Pleuronautilus praecursor Girty 1908 nautiloid | |
"Agathiceras texanum n. sp." = Texoceras texanum
"Agathiceras texanum n. sp." = Texoceras texanum Girty 1908 ammonite | |
Paraceltites elegans Girty 1908 ceratite | |
Gastropoda | |
"Loxonema" inconspicuum n. sp.
"Loxonema" inconspicuum n. sp. Girty 1908 snail | |
"Macrochilina" modesta n. sp.
"Macrochilina" modesta n. sp. Girty 1908 snail | |
"Pleurotomaria strigillata" = Apachella pseudostrigillata
"Pleurotomaria strigillata" = Apachella pseudostrigillata Girty 1934 snail | |
Naticopsis sp. M'Coy 1844 snail | |
Trilobita | |
"Anisopyge antiqua" = Delaria antiqua, Anisopyge perannulata
"Anisopyge antiqua" = Delaria antiqua Girty 1908 trilobite
Anisopyge perannulata Shumard 1858 trilobite |