USNM703a, Old Word Ranch, Glass Mountains (Permian of the United States)

Also known as Reef 3472

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Road Canyon Formation, Kungurian (279.3 - 272.3 Ma)

• Bioherms at base of Road Canyon Formation. Lower part of Road Canyon Formation contains conodont Mesogondolella idahoensis lamberti, indicating Kungurian age according to Henderson & Mei (2003).

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

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 43513: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

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).
Show authors, comments, and common names
Ostracoda
 Palaeocopida - Kirkbyidae
Semipetasus signatus n. gen. n. sp.14
Semipetasus signatus n. gen. n. sp.14 Sohn 1954 ostracod
Trilobita
 Proetida - Phillipsiidae
Delaria brevis3
Delaria brevis3 Brezinski 1992 trilobite
Cephalopoda
 Goniatitida - Paragastrioceratidae
Pseudogastrioceratinae indet.4
Pseudogastrioceratinae indet.4 Furnish 1966 ammonite
immature
Gastropoda
 Euomphalina - Omphalotrochidae
Babylonites turritus15
Babylonites turritus15 Yochelson 1956 snail
 Euomphalina - Anomphalidae
Anomphalus studiosus15
Anomphalus studiosus15 Yochelson 1956 snail
 Euomphalina - Euomphalidae
Discotropis "sp. 2"15, Discotropis sulcifer15, "Straparollus (Euomphalus) kaibabensis" = Euomphalus kaibabensis15
Discotropis "sp. 2"15 Yochelson 1956 snail
Discotropis sulcifer15 Girty 1908 snail
"Straparollus (Euomphalus) kaibabensis" = Euomphalus kaibabensis15 Chronic 1952 snail
 Trochoidea - Liotiidae
Brochidium morrisi15, Dichostasia complex15
Brochidium morrisi15 Yochelson 1956 snail
Dichostasia complex15 Yochelson 1956 snail
 Bellerophontida - Bellerophontidae
"Knightites (Retispira) modesta" = Retispira modesta16, Bellerophon (Bellerophon) hilli16
"Knightites (Retispira) modesta" = Retispira modesta16 Girty 1909 snail
Bellerophon (Bellerophon) hilli16 Yochelson 1960 snail
 Bellerophontida - Euphemitidae
Euphemites imperator16
Euphemites imperator16 Yochelson 1960 snail
 Neritoina - Neritopsidae
Byzantia obliqua n. gen. n. sp.8
Byzantia obliqua n. gen. n. sp.8 Kosnik 1997 snail
 Murchisoniina - Lophospiridae
"Worthenia multilineata" = Biarmeaspira multilineata2, "Worthenia arizonensis" = Biarmeaspira arizonensis2
"Worthenia multilineata" = Biarmeaspira multilineata2 Batten 1989 snail
"Worthenia arizonensis" = Biarmeaspira arizonensis2 Winters 1963 snail
 Murchisoniina - Gosseletinidae
Peruvispira delicata2, Shwedagonia elegans1, Ananias permianus2, "Glabrocingulum (Glabrocingulum) alveozonum" = Glabrocingulum alveozonum2, Ambozone dictyonema2, Apachella glabra2, Apachella exaggerata2, Apachella franciscana2, Apachella turbiniformis2
Peruvispira delicata2 Chronic 1949 snail
Shwedagonia elegans1 Batten 1956 snail
Ananias permianus2 Batten 1989 snail
"Glabrocingulum (Glabrocingulum) alveozonum" = Glabrocingulum alveozonum2 Batten 1989 snail
Ambozone dictyonema2 Batten 1989 snail
Apachella glabra2 Batten 1989 snail
Apachella exaggerata2 Batten 1989 snail
Apachella franciscana2 Chronic 1952 snail
Apachella turbiniformis2 Winters 1963 snail
 Murchisoniina - Phymatopleuridae
Eirlysia reticulata1, Discotomaria basisulcata1, Lamellospira conica1, Worthenia kingi2, Tapinotomaria globosa1, Tapinotomaria rugosa1, Tapinotomaria crassa1
Eirlysia reticulata1 Batten 1958 snail
Discotomaria basisulcata1 Batten 1956 snail
Lamellospira conica1 Batten 1958 snail
Worthenia kingi2 Batten 1989 snail
Tapinotomaria globosa1 Batten 1958 snail
Tapinotomaria rugosa1 Batten 1956 snail
Tapinotomaria crassa1 Batten 1958 snail
 Murchisoniina - Porcelliidae
Hesperiella wordensis2, Hesperiella permianus n. sp.2
Hesperiella wordensis2 Batten 1989 snail
Hesperiella permianus n. sp.2 Batten 1989 snail
 Murchisoniina - Eotomariidae
"Euconospira pulchra" = Spiroscala quasipulchra1
"Euconospira pulchra" = Spiroscala quasipulchra1 Karapunar and Nützel 2022 snail
Polyplacophora
 Neoloricata - Lepidopleuridae
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi13
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi13 Smith 1976 chiton
1 Head valve
 Neoloricata - Acutichitonidae
Soleachiton yochelsoni n. gen.7
Soleachiton yochelsoni n. gen.7 Hoare and Smith 1984 chiton
Bivalvia
 Pectinida - Aviculopectinidae
"Aviculopecten americanus" = Newellipectinia americanus11, Obliquipecten granti11
"Aviculopecten americanus" = Newellipectinia americanus11 Newell and Boyd 1995 scallop
Obliquipecten granti11 Newell and Boyd 1995 scallop
 Pectinida - Pseudomonotidae
Prospondylus acinetus10
Prospondylus acinetus10 Newell and Boyd 1970 scallop
 Pectinida - Deltopectinidae
Cyrtorostra varicostata11
Cyrtorostra varicostata11 Branson 1930 scallop
 Pectinida - Streblochondriidae
Streblopteria montpelierensis11, Eocamptonectes papillatus11
Streblopteria montpelierensis11 Girty 1910 scallop
Eocamptonectes papillatus11 Girty 1908 scallop
 Pectinida - Annuliconchidae
Annuliconcha dentata11
Annuliconcha dentata11 Newell and Boyd 1995 scallop
 Pectinida - Limipectinidae
Acanthopecten coloradoensis11
Acanthopecten coloradoensis11 Newberry 1861 scallop
 Pectinida - Heteropectinidae
Girtypecten sublaqueatus11
Girtypecten sublaqueatus11 Girty 1908 scallop
 Pectinida - Entoliidae
Pernopecten yini11
Pernopecten yini11 Newell and Boyd 1995 scallop
 Pholadomyida - Edmondiidae
Edmondia sp.12
Edmondia sp.12 de Koninck 1841 clam
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia sp.4, Hustedia narinosa4, Hustedia connorsi4, Hustedia consuta4, Thedusia mesocostata4
Hustedia sp.4 Hall and Clarke 1893
Hustedia narinosa4 Cooper and Grant 1976
Hustedia connorsi4 Cooper and Grant 1976
Hustedia consuta4 Cooper and Grant 1976
Thedusia mesocostata4 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita sp.4, Composita stalagmium4, Composita crassa4
Composita sp.4 Brown 1849
Composita stalagmium4 Cooper and Grant 1976
Composita crassa4 Cooper and Grant 1976
 Spiriferinida - Reticulariinidae
Reticulariina venustula4, Reticulariina craticula4
Reticulariina venustula4 Cooper and Grant 1976
Reticulariina craticula4 Cooper and Grant 1976
 Spiriferinida - Paraspiriferinidae
Paraspiriferina sp.4, Paraspiriferina sulcata4
 Spiriferinida - Spiriferellinidae
Spiriferellina tricosa4, Metriolepis tegulata4, Metriolepis larina4
Spiriferellina tricosa4 Cooper and Grant 1976
Metriolepis tegulata4 Cooper and Grant 1976
Metriolepis larina4 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
"Neospirifer thescelus" = Spiriferalaria thescelus4, Neospirifer bakeri4
"Neospirifer thescelus" = Spiriferalaria thescelus4 Cooper and Grant 1976
Neospirifer bakeri4 King 1931
ssp. bakeri
 Spiriferida - Elythidae
Neophricadothyris crassibecca4, "Neophricadothyris bullata" = Permophricodothyris bullata4
Neophricadothyris crassibecca4 Cooper and Grant 1976
"Neophricadothyris bullata" = Permophricodothyris bullata4 Cooper and Grant 1976
 Orthida - Schizophoriidae
Acosarina mesoplatys4
 Rhynchonellida - Stenoscismatidae
Stenoscisma sp.4, Stenoscisma calvatum4, Stenoscisma triquetrum4
Stenoscisma sp.4 Conrad 1839
Stenoscisma calvatum4 Cooper and Grant 1976
Stenoscisma triquetrum4 Cooper and Grant 1976
 Rhynchonellida - Pontisiidae
Pontisia stehlii4
Pontisia stehlii4 Cooper and Grant 1969
ssp. stehlii (R) and ssp. tumidosa (R)
 Rhynchonellida - Wellerellidae
Chaeniorhynchus salutare4, Cenorhynchia parvula4, Cenorhynchia atmeta4
Chaeniorhynchus salutare4 Cooper and Grant 1976
Cenorhynchia parvula4 Cooper and Grant 1976
Cenorhynchia atmeta4 Cooper and Grant 1976
 Rhynchonellida - Petasmatheridae
Petasmatherus sp.4, Elassonia micraria4
Petasmatherus sp.4 Cooper and Grant 1969
Elassonia micraria4 Cooper and Grant 1976
 Rhynchonellida - Amphipellidae
Amphipella attenuata4
Amphipella attenuata4 Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata4
Rhynchopora hebetata4 Cooper and Grant 1976
 Terebratulida - Notothyrididae
Chondronia ovalis4
Chondronia ovalis4 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Texarina wordensis4
Texarina wordensis4 King 1931
 Terebratulida - Dielasmatidae
Dielasma sp.4, Dielasma ellipsoideum4
Dielasma sp.4 King 1856
Dielasma ellipsoideum4 Cooper and Grant 1976
Strophomenata
 Productida - Cyclacanthariidae
Cyclacantharia paucispinosa4
Cyclacantharia paucispinosa4 Cooper and Grant 1975
 Productida - Hercosiidae
Hercosestria cribrosa4
Hercosestria cribrosa4 Cooper and Grant 1969
 Productida - Lyttoniidae
Eolyttonia chaotica4, Collemataria gregaria4
Eolyttonia chaotica4 Cooper and Grant 1974
Collemataria gregaria4 Cooper and Grant 1974
 Productida - Aulostegidae
Rhamnaria tenuispinosa4, Xenosteges magnus4, Edriosteges multispinosus n. gen. n. sp.9, Chonosteges costellatus4
Rhamnaria tenuispinosa4 Cooper and Grant 1975
Xenosteges magnus4 Cooper and Grant 1975
Edriosteges multispinosus n. gen. n. sp.9 Muir-Wood and Cooper 1960
Chonosteges costellatus4 Cooper and Grant 1975
 Productida - Echinoconchidae
Waagenoconcha convexa4
Waagenoconcha convexa4 Cooper and Grant 1975
 Productida - Linoproductidae
? Holotricharina "sp. 1"4, Holotricharina hirsuta4, Megousia auriculata4
? Holotricharina "sp. 1"4 Cooper and Grant 1975
Holotricharina hirsuta4 Cooper and Grant 1975
Megousia auriculata4 Muir-Wood and Cooper 1960
 Productida - Monticuliferidae
Compressoproductus "sp. 3"4
Compressoproductus "sp. 3"4 Sarytcheva 1960
 Productida - Productidae
Peniculauris peniculifera4
Peniculauris peniculifera4 Cooper and Grant 1975
 Productida - Productellidae
Rugatia incurvata4, Rugatia paraindica4, "Kutorginella umbonata" = Retaria umbonata4, Echinauris sp.4, Echinauris crassa4, Echinauris irregularis4, Echinauris bella4
Rugatia incurvata4 King 1931
Rugatia paraindica4 McKee 1938
"Kutorginella umbonata" = Retaria umbonata4 Muir-Wood and Cooper 1960
Echinauris sp.4 Muir-Wood and Cooper 1960
Echinauris crassa4 Cooper and Grant 1975
Echinauris irregularis4 Cooper and Grant 1975
Echinauris bella4 Cooper and Grant 1975
 Orthotetida - Derbyiidae
Derbyia sp.4, Derbyia laqueata4, Derbyia informis4, Derbyia complicata4
Derbyia sp.4 Waagen 1884
Derbyia laqueata4 Cooper and Grant 1974
Derbyia informis4 Cooper and Grant 1974
Derbyia complicata4 Cooper and Grant 1974
 Orthotetida - Schuchertellidae
Bothrostegium sp.4, Tropidelasma corniculum4
Bothrostegium sp.4 Cooper and Grant 1974
Tropidelasma corniculum4 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella calathica4
Meekella calathica4 Cooper and Grant 1974
 Strophomenida - Rugosochonetidae
"Mesolobus permianus" = Capillomesolobus permianus4, Chonetinetes angustisulcatus4, Dyoros (Tetragonetes) rectangulatus4, Dyoros (Tetragonetes) solidus4
"Mesolobus permianus" = Capillomesolobus permianus4 Cooper and Grant 1975
Chonetinetes angustisulcatus4 Cooper and Grant 1975
Dyoros (Tetragonetes) rectangulatus4 Cooper and Grant 1975
Dyoros (Tetragonetes) solidus4 Cooper and Grant 1975
Craniata
 Craniida - Craniidae
Acanthocrania densispina4
Acanthocrania densispina4 Cooper and Grant 1974
Demospongiae
 Agelasida - Guadalupiidae
Guadalupia ramescens n. sp.6, Guadalupia cupulosa6
Guadalupia ramescens n. sp.6 Finks 2010 demosponge
Guadalupia cupulosa6 Finks 2010 demosponge
 Agelasida - Solenolmiidae
"Polysiphonia flabellata n. gen." = Polysiphonaria flabellata5
"Polysiphonia flabellata n. gen." = Polysiphonaria flabellata5 Finks 1995 demosponge
 Agelasida - Catenispongiidae
Stratispongia cinctuta n. gen.5, Catenispongia agaricus5, Ossimimus robustus n. gen.5
Stratispongia cinctuta n. gen.5 Finks 1995 demosponge
Catenispongia agaricus5 Finks 1995 demosponge
Ossimimus robustus n. gen.5 Finks 1995 demosponge
1Batten 1958; 2Batten 1989; 3Brezinski 1992; 4Cooper and Grant 1977; 5Finks 1995; 6Finks 2010; 7Hoare and Smith 1984; 8Kosnik 1997; 9Muir-Wood and Cooper 1960; 10Newell and Boyd 1970; 11Newell and Boyd 1995; 12Runnegar and Newell 1974; 13Smith 1976; 14Sohn 1954; 15Yochelson 1956; 16Yochelson 1960