Santa Clara, Sierras Alargadas (Triassic of Mexico)

Where: Sonora, Mexico (28.6° N, 109.7° W: paleocoordinates 3.3° N, 46.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Santa Clara Formation, Carnian (237.0 - 228.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size class: macrofossils

Preservation: cast

Primary reference: G. A. de Cserna. 1961. Paleontología del Triásico superior de Sonora. Parte III. Fauna fósil de la formación Santa Clara (Cárnico) del Estado de Sonora. Paleontologia Mexicana 11:44pp [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200775: authorized by Alex Dunhill, entered by Bethany Allen on 18.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
 Bennettitales -
Pterophyllum affine, Pterophyllum fragile
Pterophyllum affine Nathorst 1879
Pterophyllum fragile Newberry 1876
Cycadopsida
 Cycadales -
Taeniopteris auriculata
Taeniopteris auriculata Fontaine 1889 cycads
Taeniopteris magnifolia
  -
"Taeniopteris magnifolia" = Macrotaeniopteris magnifolia
"Taeniopteris magnifolia" = Macrotaeniopteris magnifolia Rogers 1857
Polypodiopsida
 Gleicheniales - Polypodiidae
Thaumatopteris cf. barrealensis
Thaumatopteris cf. barrealensis Stipanicic and Menendez 1949
 Marattiales - Marattiidae
Asterocarpus platyrachis, Mertensides bullatus
Mertensides bullatus Bunbury 1847
Lingulata
 Lingulida - Lingulidae
Lingula cf. selwyni
Lingula cf. selwyni Whiteaves 1877
Cephalopoda
 Ceratitida - Sandlingitidae
"? Traskites (Shastites) sp." = Shastites
"? Traskites (Shastites) sp." = Shastites Hyatt and Smith 1905 ceratite
Bivalvia
 Nuculanida - Nuculanidae
Nuculana curvirostris
Nuculana curvirostris de Cserna 1961 pointed nut clam
 Ostreida - Cassianellidae
"Myophoria boesei" = Burckhardtia boesei
"Myophoria boesei" = Burckhardtia boesei Frech 1907 oyster
 Ostreida - Bakevelliidae
"Cassianella cf. woyaniana" = Hoernesia woyaniana
"Cassianella cf. woyaniana" = Hoernesia woyaniana McLearn 1937 oyster
 Pectinida - Entoliidae
Entolium cf. subdemissus
 Pectinida - Monotidae
Monotis cf. montini
Monotis cf. montini McLearn 1937 scallop
 Mytilida - Mytilidae
Mytilus (Chloromya) sonorensis n. sp.
Mytilus (Chloromya) sonorensis n. sp. de Cserna 1961 mussel
 Hiatellida - Hiatellidae
"Anodontophora remondi" = Panopaea remondii
"Anodontophora remondi" = Panopaea remondii Gabb 1864 clam
 Trigoniida - Trigoniidae
? Trigonia sp.
? Trigonia sp. Bruguière 1789 clam
 Trigoniida - Myophoriidae
"Myophoria cf. laevigata" = Neoschizodus laevigatus, Myophoria mexicana n. sp.
"Myophoria cf. laevigata" = Neoschizodus laevigatus Ziethen 1830 clam
Myophoria mexicana n. sp. de Cserna 1961 clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell