Percha Creek, 3 miles southeast of Hillsboro (Devonian of the United States)

Where: Sierra County, New Mexico (32.9° N, 107.5° W: paleocoordinates 25.3° S, 54.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Bella Member (Percha Shale Formation), Famennian (372.2 - 358.9 Ma)

• According to Cooper & Dutro (1982), the Bella member is poorly defined and likely equal to the Box member.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous shale and limestone

• calcareous shales with interbedded layers of calcareous nodules or thin limestones

Size classes: macrofossils, mesofossils

Primary reference: M. A. Stainbrook. 1947. Brachiopoda of the Percha Shale of New Mexico and Arizona. Journal of Paleontology 21:297-328 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 231554: authorized by Pete Wagner, entered by Pete Wagner on 23.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Schuchertellidae
"Schellwienella percha n. sp." = Schuchertella percha
"Schellwienella percha n. sp." = Schuchertella percha Stainbrook 1947
= Schuchertella chemungensis Kindle, 1909, U.S.G.S. Bull. 391, p. 16, pl. 3, figs. 2-4a.
 Productida - Productellidae
 Productida - Productidae
"Avonia defessa" = Leioproductus defessa Stainbrook 1947
 Productida - Echinoconchidae
 Productida - Sentosiidae
"Pustula praecedens n. sp." = Sentosia praecedens, "Krotovia spinigera" = Sentosia spinigera, "Krotovia praecursor" = Sentosia praecursor
"Pustula praecedens n. sp." = Sentosia praecedens Stainbrook 1947
= Productella spinigera, (part), Kindle, 1909
"Krotovia spinigera" = Sentosia spinigera Kindle 1909
"Krotovia praecursor" = Sentosia praecursor Stainbrook 1947
 Productida - Araksalosiidae
"Heteralosia nupera" = Acanthatia nupera
"Heteralosia nupera" = Acanthatia nupera Stainbrook 1947
Rhynchonellata
 Orthida - Schizophoriidae
"Schizophoria australis" = Schizophoria (Schizophoria) australis
"Schizophoria australis" = Schizophoria (Schizophoria) australis Kindle 1909
 Orthida - Rhipidomellidae
"Rhipidomella manticula n. sp." = Aulacella manticula
"Rhipidomella manticula n. sp." = Aulacella manticula Stainbrook 1947
 Terebratulida - Dielasmatidae
 Spiriferida - Elythidae
 Spiriferida - Brachythyrididae
 Spiriferida - Cyrtospiriferidae
 Spiriferida - Strophopleuridae
 Rhynchonellida - Leiorhynchidae
Paurorhyncha cooperi n. sp.
= Camarotoechia endlichi (part), Kindle 1909, U.S.G.S. Bull. 391, pl. 6, figs. 11, lla; pl. 7, figs. 1, 2.
 Rhynchonellida - Rhynchotetradidae
Paraphorhynchus perchaensis n. sp.
= Pugnax pugnus, Kindle 1909, U.S.G.S. Bull. 391, pp. 22-24, pl. 6, figs 3-8a
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia sobrina n. sp." = Ptychomalotoechia sobrina
"Camarotoechia sobrina n. sp." = Ptychomalotoechia sobrina Stainbrook 1947
= Camarotoechia contracta (Hall) ?, Kindle 1909, U.S.G.S. Bull. 391, p. 22, pl. 6, figs. 1-2a.
 Athyridida - Athyrididae
Composita bellula n. sp.
= Meristella barrisi Hall?, Kindle 1909, U.S.G.S. Bull. 391, p. 30, pl. 9, figs. 7-9a.