USNM728l, Cibolo Ranch, Sierra Alta Creek, Chinati Mountains (Permian of the United States)

Also known as Reef 3633

Where: Presidio County, Texas (29.9° N, 104.3° W: paleocoordinates 1.1° N, 34.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cibolo Formation, Kungurian (279.3 - 272.3 Ma)

• Breccia Zone of Udden

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• bioherm

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 75861: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• A variety of papers list the brachiopods, nearly all gastropods, most bivalves (except primarily Paleotaxodonts), trilobites, chitons, siliceous sponges, rugose corals (only from Gaptank and Asselian/Sakmarian formations)
Strophomenata
 Orthotetida - Derbyiidae
Diplanus sp.1 Stehli 1954
Diplanus rarus1 Cooper and Grant 1974
Derbyia sp.1 Waagen 1884
Derbyia aff. nasuta1 Girty 1908
Derbyia crenulata1 Girty 1908
 Orthotetida - Meekellidae
Meekella attenuata1 Girty 1908
Meekella prionota1 Cooper and Grant 1974
 Productida - Cyclacanthariidae
"Teguliferina conida" = Planispina conida1, Acritosia teguliferoides1
"Teguliferina conida" = Planispina conida1 Stehli 1954
 Productida - Lyttoniidae
Eolyttonia sp.1 Frederiks 1924
Eolyttonia gigantea1 Cooper and Grant 1974
 Productida - Scacchinellidae
Scacchinella titan1 Cooper and Grant 1975
 Productida - Paucispiniferidae
Hystriculina sp.1 Muir-Wood and Cooper 1960
Elliottella cf. varicostata1 Cooper and Grant 1975
 Productida - Echinoconchidae
? Juresania sp.1 Fredericks 1928
 Productida - Productellidae
Kozlowskia alata1 Cooper and Grant 1975
? Echinauris sp.1 Muir-Wood and Cooper 1960
 Strophomenida - Rugosochonetidae
Chonetinella ciboloensis1 Cooper and Grant 1975
Rhynchonellata
 Rhynchonellida - Pontisiidae
Pontisia robusta1 Cooper and Grant 1976
Antronaria dissona1 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma problematicum1 Cooper and Grant 1976
 Athyridida - Athyrididae
Cleiothyridina rectimarginata1 Cooper and Grant 1976
Composita sp.1 Brown 1849
 Athyridida - Neoretziidae
Hustedia sp.1 Hall and Clarke 1893
 Terebratulida - Dielasmatidae
Dielasma sp.1 King 1856
 Spiriferinida - Spiriferellinidae
 Orthida - Schizophoriidae
Acosarina sp.1, "Acosarina dorsisulcata" = Acosarina minuta1
Acosarina sp.1 Cooper and Grant 1969
"Acosarina dorsisulcata" = Acosarina minuta1 Abich 1878
 Orthida - Enteletidae
Enteletes sp.1 Waldheim 1825
Anthozoa
 Stauriida - Lophotichiidae
Lophotichium simulatum2 Fedorowski 1987 horn coral
Assimulia (Assimulia) abscessa2 Fedorowski 1987 horn coral
Paraduplophyllum (Vacoea) tubaeformis2 Fedorowski 1987 horn coral
subsp. tubaeformis
Paraduplophyllum (Vacoea) amplexoides2 Fedorowski 1987 horn coral
subsp. amplexoides