Carrizo Arroyo Unit 26 ( of the United States)

Where: Valencia County, New Mexico (35.8° N, 107.1° W: paleocoordinates 0.6° N, 36.9° W)

• outcrop-level geographic resolution

When: Red Tanks Member (Madera Limestone Formation), Virgilian (303.4 - 298.9 Ma)

• Fusulinid information provided in other papers, but only generally cited here.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; brown, gray shale

• 1.5-m-thick sequence of dark gray to brown shales (unit 26; middle to upper parts of unit 8 of KK76) that record the gradual, progressive influx of marine environments across the delta plain.

Size class: macrofossils

Reposited in the UNM

Primary reference: B. S. Kues. 2004. Stratigraphy and brachiopod and molluscan paleontology of the Red Tanks Formation (Madera Group) near the Pennsylvanian–Permian boundary, Lucero uplift, west-central New Mexico. In S.G. Lucas, K.E. Zeigler (eds.), Carboniferous–Permian transition at Carrizo Arroyo, central New Mexico 25:143-210 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156695: authorized by Pete Wagner, entered by Pete Wagner on 28.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Soleniscidae
"Strobeus ? primigenius" = Strobeus primogenius, Strobeus "sp. 1"
"Strobeus ? primigenius" = Strobeus primogenius Conrad 1835 snail
Strobeus "sp. 1" de Koninck 1881 snail
 Murchisoniina - Gosseletinidae
Glabrocingulum (Ananias) tularosaensis, "Glabrocingulum (Glabrocingulum) beedei" = Glabrocingulum beedei, Baylea sp.
"Glabrocingulum (Glabrocingulum) beedei" = Glabrocingulum beedei Mark 1912 snail
Baylea sp. de Koninck 1881 snail
 Bellerophontida - Bellerophontidae
Retispira "sp. indet.", Retispira espinasa, Retispira tenuilineata, "Bellerophon (Bellerophon) graphicus" = Bellerophon graphicus, "Retispira eximia" = Yochelsonellisa eximia
Retispira "sp. indet." Knight 1945 snail
Retispira espinasa Kues 2004 snail
Retispira tenuilineata Gurley 1884 snail
"Bellerophon (Bellerophon) graphicus" = Bellerophon graphicus Moore 1941 snail
"Retispira eximia" = Yochelsonellisa eximia Yochelson 1960 snail
 Bellerophontida - Euphemitidae
Euphemites "sp. 1" Warthin 1930 snail
Euphemites "sp. indet." Warthin 1930 snail
 Euomphalina - Elasmonematidae
Anematina sp. Knight 1933 snail
 Euomphalina - Euomphalidae
Araeonema novamexicanum Kues 2004 snail
 Euomphalina - Omphalotrochidae
Omphalotrochus sp. Meek 1864 snail
 Caenogastropoda - Meekospiridae
Girtyspira minuta Stevens 1858 snail
 Zygopleuroidea - Pseudozygopleuridae
"? Hemizyga (Plocezyga) sp." = Plocezyga Knight 1930 snail
Hemizyga (Hemizyga) "sp. 1" Girty 1915 snail
 Caenogastropoda - Orthonematidae
? Orthonema sp. Meek and Worthen 1862 snail
Orthonema laluzense Kues 2004 snail
 Caenogastropoda - Goniasmatidae
"Goniasma lasallensis" = Goniasma lasallense
"Goniasma lasallensis" = Goniasma lasallense Worthen 1890 snail
 Cerithimorpha - Orthonemidae
"Stegocoelia (Hypergonia) percostata" = Hypergonia percostata
"Stegocoelia (Hypergonia) percostata" = Hypergonia percostata Girty 1939 snail
 Heterostropha - Donaldinidae
Donaldina stevensana, "Donaldina swallowiana" = Royalella swallowiana
Donaldina stevensana Meek and Worthen 1866 snail
"Donaldina swallowiana" = Royalella swallowiana Geinitz 1866 snail
 Neritoidea - Naticopsidae
Bivalvia
 Myalinida - Myalinidae
Septimyalina burmai Newell 1942 clam
 Pectinida - Pseudomonotidae
Pseudomonotis hawni Meek and Hayden 1858 scallop
 Pectinida - Aviculopectinidae
Aviculopecten basilicus Newell 1938 scallop
Aviculopecten arctisulcatus Newell 1938 scallop
 Ostreida - Pinnidae
Meekopinna sp. Yancey 1978 oyster
 Pholadomyida - Edmondiidae
Edmondia nebrascensis Geinitz 1866 clam
 Cardiida - Kalenteridae
Permophorus "sp. indet." Chavan 1954 clam
Permophorus aff. oblongus Meek and Hayden 1872 clam
Permophorus arcus Kues 2004 clam
 Carditida - Astartidae
Astartella subquadrata Girty 1909 clam
 Trigoniida - Schizodidae
Schizodus "sp. 1" King 1844 clam
Schizodus "sp. indet." King 1844 clam
 Nuculida - Nuculidae
? Nuculopsis sp. Girty 1912 nut clam
Nuculopsis aff. girtyi Schenck 1934 nut clam
Nuculavus levatiformis Walcott 1884 nut clam
Scaphopoda
 Dentaliida - Prodentaliidae
Strophomenata
 Orthotetida - Derbyiidae
 Productida - Echinoconchidae