PBDB Collection

PU 1334 – Float material along the southern branch of Cajiloa Creek (Paleocene of Mexico)

Where: Baja, Mexico (29.8° N, 115.5° W: paleocoordinates 33.3° N, 96.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Globorotalia pseudomenardii foram zone, Sepultura Formation, Thanetian (59.2 - 56.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; shale and sandstone

• interbedded fine grained, thinly bedded, micaceous sandstones and shales

Size class: macrofossils

Primary reference: M. d. C. Perrilliat. 2013. Fossil gastropods from the Late Paleocene Sepultura Formation, Baja California, Mexico. Neues Jahrbuch für Geologie und Palaeontologie - Abhandlungen 268(2):127-148 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176456: authorized by Pete Wagner, entered by Pete Wagner on 12.02.2016, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Gastropoda
Trochoidea - Turbinidae	Margarites (Margarites) cf. semiornata Margarites (Margarites) cf. semiornata Zinsmeister 1983 snail
Epitonioidea - Epitoniidae	"Amaea (Acrilla) sp." = Acrilla "Amaea (Acrilla) sp." = Acrilla Adams and Adams 1860 wentletrap
Sorbeoconcha - Naticidae	Polinices (Euspira) cf. hotsoni, Polinices (Euspira) simiensis, Polinices (Polinices) saulae n. sp., Polinices (Polinices) hornii, Gyrodes cf. robustus, Amauropsis martinezensis Polinices (Euspira) cf. hotsoni Weaver and Palmer 1922 moon snail Polinices (Euspira) simiensis Nelson 1925 moon snail loc. 1344-8 Polinices (Polinices) saulae n. sp. moon snail Polinices (Polinices) hornii Gabb 1864 moon snail Gyrodes cf. robustus Waring 1917 moon snail Amauropsis martinezensis Dickerson 1914 moon snail
Neogastropoda - Buccinidae	Popenoeum maritimus² Popenoeum maritimus² Squires et al. 1989 true whelk
Neogastropoda - Fasciolariidae	Perrilliata califia n. gen. n. sp.¹ Perrilliata califia n. gen. n. sp.¹ Squires and Saul 2006 snail
Sorbeoconcha - Rostellariidae	Calyptraphorus terrysmithae Calyptraphorus terrysmithae Perrilliat 2013 snail
Sorbeoconcha - Cypraeidae	Propustularia kemperae Propustularia kemperae Nelson 1925 cowry
Sorbeoconcha - Eocypraeidae	Eocypraea novasumma Eocypraea novasumma Nelson 1925 snail
Sorbeoconcha - Tornidae	Teinostoma squiresi n. sp. Teinostoma squiresi n. sp. Perrilliat 2013 snail loc. 1344-8
Sorbeoconcha - Vitrinellidae	Cyclostremiscus petiti n. sp. Cyclostremiscus petiti n. sp. Perrilliat 2013 snail loc. 1344-4
Cerithioidea - Turritellidae	Turritella peninsularis, Turritella infragranulata, Turritella reversa, Mesalia martinezensis Turritella peninsularis Anderson and Hanna 1935 turret shell Turritella infragranulata Gabb 1864 turret shell Turritella infragranulata pachecoensis Turritella reversa Waring 1917 turret shell Mesalia martinezensis Gabb 1869 turret shell

¹Squires and Saul 2006; ²Squires et al. 1989