Robledo Mountains L-03011 (Permian of the United States)

Where: Dona Ana County, New Mexico (32.4° N, 106.9° W: paleocoordinates 0.2° N, 37.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Robledo Mountains Member (Hueco Formation), Sakmarian (295.5 - 290.1 Ma)

• Probably equivalent to "Abo Tongue" - Robledo Mountains Mb. is 120 m thick beginning 300 m above the base of the Hueco Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified shale

Size class: macrofossils

Preservation: cast, mold/impression

Reposited in the NMMNH

Collection methods: surface (float), surface (in situ),

• "Small but relatively diverse collections were made from an approximately 10-meter-thick interval at the base of the slope."

Primary reference: B. S. Kues. 1995. Marine fauna of the Early Permian (Wolfcampian) Robledo Mountains Member, Hueco Formation, southern Robledo Mountains, New Mexico. New Mexico Museum of Natural History and Science Bulletin 6:63-90 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39150: authorized by David Bottjer, entered by Matthew Clapham on 21.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Myalinidae
Septimyalina burmai Newell 1942 clam
 Ostreida - Pinnidae
Aviculopinna peracuta Shumard and Swallow 1858 oyster
 Cardiidia - Sanguinolitidae
Wilkingia terminale Hall 1852 clam
 Cardiida - Kalenteridae
Permophorus cf. subcostatus Meek and Worthen 1866 clam
Gastropoda
 Euomphalina - Omphalotrochidae
Omphalotrochus obtusispira Shumard 1859 snail
 Bellerophontida -
"Bellerophontacea indet." = Bellerophontoidea
"Bellerophontacea indet." = Bellerophontoidea M'Coy 1851 snail
 Bellerophontida - Euphemitidae
Euphemitopsis multinodosa Yochelson 1960 snail
Stenolaemata
 Fenestrida - Septoporidae
 Fenestrida - Polyporidae
 Trepostomida - Stenoporidae
 Cystoporida - Fistuliporidae
Fistulipora sp. McCoy 1850
 Rhabdomesida - Rhomboporidae
? Rhombopora sp. Meek 1872
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Cidaroid
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Strophomenata
 Productida - Productidae
Squamaria aff. moorei Muir-Wood and Cooper 1960
Rhynchonellata
 Athyridida - Athyrididae
Composita bucculenta Cooper and Grant 1976
 Spiriferida - Ambocoeliidae
"Crurithyris tumibilis" = Orbicoelia tumibilis
"Crurithyris tumibilis" = Orbicoelia tumibilis Cooper and Grant 1976