PBDB Collection

USNM703d, Road Canyon Formation, Old Word Ranch, Glass Mountains: Roadian, Texas

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Rhynchonellata - Spiriferinida - Spiriferellinidae

	Metriolepis tegulata n. gen., n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR

	Spiriferellina tricosa Cooper and Grant 1976	Cooper and Grant 1977	VR category
Rhynchonellata - Spiriferinida - Reticulariinidae

	Reticulariina pristina Cooper and Grant 1976	Cooper and Grant 1977	C category
	(14 measurements)
Rhynchonellata - Athyridida - Neoretziidae

	Hustedia sp. Hall and Clarke 1893	Cooper and Grant 1977	VR

	Hustedia cuneata n. sp. Cooper and Grant 1976	Cooper and Grant 1977	R

	Hustedia consuta n. sp. Cooper and Grant 1976	Cooper and Grant 1977	A

	Thedusia mesocostata Cooper and Grant 1976	Cooper and Grant 1977	C category
	(10 measurements)
Rhynchonellata - Athyridida - Athyrididae

	Composita sp. Brown 1849	Cooper and Grant 1977	VR

	Composita crassa n. sp. Cooper and Grant 1976	Cooper and Grant 1977	C
Rhynchonellata - Spiriferida - Elythidae

	Neophricadothyris cordata n. sp. Cooper and Grant 1976	Cooper and Grant 1977	A
	recombined as Permophricodothyris cordata
	(11 measurements)
Rhynchonellata - Spiriferida - Trigonotretidae

	Cartorhium n. gen. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR

	Neospirifer bakeri (King 1931)	Cooper and Grant 1977	A
	original and current combination Spirifer (Neospirifer) bakeri
	n. ssp. columbarius (16 measurements)
Rhynchonellata - Spiriferida - Ambocoeliidae

	Crurithyris minutalis n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR
	recombined as Cruricella minutalis
	(1 measurement)
Rhynchonellata - Terebratulida - Notothyrididae

	Glossothyropsis superba n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR
	(1 measurement)
Rhynchonellata - Terebratulida - Cryptonellidae

	Heterelasma glansfagea n. sp. Cooper and Grant 1976	Cooper and Grant 1977	R
Rhynchonellata - Terebratulida - Dielasmatidae

	Dielasma ellipsoideum n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR
Rhynchonellata - Orthida - Schizophoriidae

	Acosarina mesoplatys (King 1931)	Cooper and Grant 1977	C
	(1 measurement)
Rhynchonellata - Rhynchonellida - Wellerellidae

	Cenorhynchia saginata n. gen., n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR

	Phrenophoria ventricosa n. sp. Cooper and Grant 1976	Cooper and Grant 1977	R
	(5 measurements)

	? Phrenophoria nudumbona n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR
	(1 measurement)

	Phrenophoria pentagonalis n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR
	(2 measurements)
Rhynchonellata - Rhynchonellida - Petasmatheridae

	Petasmatherus nitidus n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR

	Petasmatherus pumilus n. sp. Cooper and Grant 1976	Cooper and Grant 1977	VR

	Petasmatherus cf. opulus Cooper and Grant 1969	Cooper and Grant 1977	VR

	Ptygmactrum extensum Cooper and Grant 1976	Cooper and Grant 1977	R category
	(2 measurements)
Rhynchonellata - Rhynchonellida - Allorhynchidae

	Allorhynchus sp.	Cooper and Grant 1977	VR
Rhynchonellata - Rhynchonellida - Pontisiidae

	Pontisia stehlii Cooper and Grant 1969	Cooper and Grant 1977	VR category
	ssp. stehlii
Rhynchonellata - Rhynchonellida - Stenoscismatidae

	Stenoscisma camurum Cooper and Grant 1976	Cooper and Grant 1977	R category
Rhynchonellata - Rhynchonellida - Rhynchoporidae

	Rhynchopora hebetata Cooper and Grant 1976	Cooper and Grant 1977	R category
Strophomenata - Strophomenida - Rugosochonetidae

	Dyoros (Lissosia n. subgen.) parvus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R

	Dyoros (Tetragonetes n. subgen.) solidus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	A
	(18 measurements)

	Dyoros (Tetragonetes n. subgen.) strigosus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	VR
	(2 measurements)

	Dyoros (Dyoros) extensus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	VR

	Dyoros (Dyoros) angulatus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	C

	Dyoros (Dyoros) transversus n. sp. Cooper and Grant 1975	Cooper and Grant 1977	C
	(5 measurements)
Strophomenata - Productida - Productellidae

	Spinarella costellata Cooper and Grant 1975	Cooper and Grant 1977	VR category
	(1 measurement)

	Rugatia mckeei Cooper and Grant 1975	Cooper and Grant 1977	VR category

	Rugatia incurvata (King 1931)	Cooper and Grant 1977	VR category

	Echinauris sp. Muir-Wood and Cooper 1960	Cooper and Grant 1977	VR

	Echinauris irregularis n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R

	Echinauris lappacea n. sp. Cooper and Grant 1975	Cooper and Grant 1977	C

	Echinauris bella n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R

	Echinauris liumbona n. sp. Cooper and Grant 1975	Cooper and Grant 1977	C
	(9 measurements)

	Kutorginella umbonata (Muir-Wood and Cooper 1960)	Cooper and Grant 1977	R
	original and current combination Retaria umbonata
Strophomenata - Productida - Productidae

	Yakovlevia immatura Cooper and Grant 1975	Cooper and Grant 1977	R category
	(5 measurements)

	Peniculauris costata n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R
	(2 measurements)
Strophomenata - Productida - Echinoconchidae

	Ametoria residua n. gen., n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R
	(1 measurement)

	Waagenoconcha convexa Cooper and Grant 1975	Cooper and Grant 1977	R category
Strophomenata - Productida - Linoproductidae

	Megousia auriculata Muir-Wood and Cooper 1960	Cooper and Grant 1977	VA

	Holotricharina hirsuta n. gen., n. sp. Cooper and Grant 1975	Cooper and Grant 1977	R
Strophomenata - Productida - Paucispiniferidae

	Paucispinifera sulcata n. sp. Cooper and Grant 1975	Cooper and Grant 1977	VR
Strophomenata - Productida - Aulostegidae

	Edriosteges multispinosus Muir-Wood and Cooper 1960	Cooper and Grant 1977	R

	Rhamnaria rectangulata Cooper and Grant 1975	Cooper and Grant 1977	VR category
	(2 measurements)

	Rhamnaria tenuispinosa Cooper and Grant 1975	Cooper and Grant 1977	R category
Strophomenata - Productida - Cyclacanthariidae

	Cyclacantharia paucispinosa n. sp. Cooper and Grant 1975	Cooper and Grant 1977	VR
Strophomenata - Productida - Lyttoniidae

	Eolyttonia chaotica n. sp. Cooper and Grant 1974	Cooper and Grant 1977	R
Strophomenata - Orthotetida - Derbyiidae

	Derbyia informal sp. 2 Waagen 1884	Cooper and Grant 1977	VR

	Derbyia cincinnata n. sp. Cooper and Grant 1974	Cooper and Grant 1977	VR
	(2 measurements)

	Derbyia laqueata n. sp. Cooper and Grant 1974	Cooper and Grant 1977	VR

	Derbyia informis n. sp. Cooper and Grant 1974	Cooper and Grant 1977	VR

	Derbyia complicata n. sp. Cooper and Grant 1974	Cooper and Grant 1977	C

	Derbyia filosa n. sp. Cooper and Grant 1974	Cooper and Grant 1977	VR
Strophomenata - Orthotetida - Meekellidae

	Meekella sp.	Cooper and Grant 1977	VR

	Meekella calathica n. sp. Cooper and Grant 1974	Cooper and Grant 1977	C
Bivalvia - Pectinida - Pseudomonotidae

	Pseudomonotis (Trematiconcha) likharevi Newell and Boyd 1970	Newell and Boyd 1970
Bivalvia - Pectinida - Streblochondriidae

	Streblopteria montpelierensis (Girty 1910)	Newell and Boyd 1995
	original and current combination Aviculipecten montpelierensis

	Eocamptonectes papillatus (Girty 1908)	Newell and Boyd 1995
Bivalvia - Trigoniida - Schizodidae

	Eoastarte subcircularis Ciriacks 1963	Newell and Boyd 1975
Gastropoda - Euomphalina - Anomphalidae

	Diploconula biconvexa Yochelson 1956	Yochelson 1956	11 individuals
	(4 measurements)
see common names

Geography

Country:	United States	State/province:	Texas	County:	Brewster
Coordinates:	30.4° North, 103.1° West (view map)
Paleocoordinates:	1.4° North, 33.1° West
Basis of coordinate:	estimated from map
Geographic resolution:	outcrop

Time

Period:	Permian	Epoch:	Guadalupian
Stage:	Roadian	10 m.y. bin:	Permian 3
Key time interval:	Roadian
Age range of interval:	273.01000 - 266.90000 m.y. ago

Stratigraphy

Formation:	Road Canyon
Stratigraphic resolution:	group of beds
Stratigraphy comments: Lower Road Canyon Formation, just above basal bioherms, nearly at same level as 703c.

Lithology and environment

Primary lithology:	carbonaceous "limestone"
Lithology description: Thin-bedded bituminous limestones.
Environment:	slope
Geology comments: Road Canyon Formation records largely slope and basinal deposition.

Taphonomy

Modes of preservation:	body,replaced with silica
Size of fossils:	macrofossils

Collection methods and comments

Collection methods:	bulk,chemical,field collection
Reason for describing collection:	taxonomic analysis
Museum repositories:	USNM
Taxonomic list comments: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).

Metadata

Database number:	43518
Authorizer:	D. Bottjer	Enterer:	M. Clapham
Modifier:	M. Clapham	Research group:	marine invertebrate
Created:	2004-08-14 14:32:31	Last modified:	2004-08-14 17:32:32
Access level:	the public	Released:	2004-08-14 14:32:31
Creative Commons license:	CC BY

Reference information

Primary reference:

11454.

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]

Secondary references:

11407		G. A. Cooper and R. E. Grant. 1977. Permian Brachiopods of West Texas, VI. Smithsonian Contributions to Paleobiology 32:3161-3370 [T. Olszewski/K. Tracy/M. Clapham]
11474		N. D. Newell and D.W. Boyd. 1970. Oyster-like Permian Bivalvia. Bulletin of the American Museum of Natural History 143(4):221-281 [D. Bottjer/M. Clapham/M. Clapham]
11482		N. D. Newell and D.W. Boyd. 1975. Parallel evolution in early trigonacean bivalves. Bulletin of the American Museum of Natural History 154(2):55-162 [D. Bottjer/M. Clapham/M. Clapham]
11472		N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95 [D. Bottjer/M. Clapham/M. Clapham]
11481		E. L. Yochelson. 1956. Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History 110(3):173-276 [D. Bottjer/M. Clapham/M. Clapham]