Where: Culberson County, Texas (31.6° N, 104.2° W: paleocoordinates 1.0° N, 34.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Virginia Draw Member (Rustler Formation), Changhsingian (254.2 - 252.2 Ma)
• Early Changhsingian based on conodonts.
• member-level stratigraphic resolution
Environment/lithology: marine; dolomite and siltstone
Size class: macrofossils
Preservation: original calcite, replaced with other
Collection methods: chemical, hydrochloric,
• Anhydrite-replaced fossils etched by hydrochloric acid.
Primary reference: J. C. Walter. 1953. Paleontology of Rustler Formation, Culberson County, Texas. Journal of Paleontology 27(5):679-702 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 50001: authorized by David Bottjer, entered by Matthew Clapham on 04.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
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| Scaphopoda | |
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Dentalium sp. Linnaeus 1758 tusk shell | |
| Gastropoda | |
|
? Naticopsis sp. M'Coy 1844 snail | |
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| |
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Goniasma sp. Tomlin 1930 snail | |
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Palaeostylus sp. Mansuy 1914 snail | |
|
Euphemites circumcostatus Walter 1953 snail | |
| Bivalvia | |
|
Stutchburia sp. Etheridge 1900 clam
Permophorus lunulus n. sp. clam
Permophorus sp. Chavan 1954 clam | |
|
Aviculopinna sp. Meek 1864 oyster | |
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cf. Leptodesma sp. Hall 1883 oyster | |
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Pectinoidea indet. Rafinesque 1815 scallop | |
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Myalina sp. de Koninck 1842 clam | |
| Rhynchonellata | |
|
cf. Araxathyris sp. Grunt 1965 | |
"Wellerella elegans" = Tautosia elegans
"Wellerella elegans" = Tautosia elegans Girty 1909 | |
| Strophomenata | |
|
? Dictyoclostus sp. Muir-Wood 1930 | |
|
cf. Spinomarginifera sp. Huang 1932 | |
|
Derbyia sulcata Walter 1953 | |
|
Chonetidae indet. Bronn 1862 | |
| Crinoidea | |
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