Mx3: Los Rebajes (Level 1) (Jurassic of Mexico)

Where: Oaxaca, Mexico (16.8° N, 97.0° W: paleocoordinates 8.1° N, 47.2° W)

• small collection-level geographic resolution

When: Taberna Formation, Bajocian (170.3 - 168.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, concretionary, ferruginous, gypsiferous, gray, green, red shale

• grayish or greenish-yellow shale with abundant layers of reddish iron concretions, locally with gypsum.

Primary reference: J. Sandoval and G. E. G. Westermann. 1986. The Bajocian (Jurassic) ammonite fauna of Oaxaca, Mexico. Journal of Paleontology 60(6):1220-1271 [J. Alroy/M. Sommers/O. Alfaro]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8065: authorized by John Alroy, entered by Mike Sommers on 15.06.2000, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Lissoceratidae
Lissoceras cf. oolithicum
Lissoceras cf. oolithicum d'Orbigny 1846 ammonite
 Ammonitida - Oppeliidae
"Oppelia cf. subradiata" = Oppelia (Oppelia) subradiata
"Oppelia cf. subradiata" = Oppelia (Oppelia) subradiata d'Orbigny 1823 ammonite
 Ammonitida - Strigoceratidae
Strigoceras (Liroxyites) cf. kellumi
Strigoceras (Liroxyites) cf. kellumi Imlay 1961 ammonite
sgn. (Liroxyites)
 Ammonitida - Perisphinctidae
Stephanosphinctes buitroni n. gen. n. sp.
Stephanosphinctes buitroni n. gen. n. sp. Sandoval and Westermann 1986 ammonite
 Ammonitida - Stephanoceratidae
Phaulostephanus burckhardti n. sp., Subcollina lucretia, Duashnoceras floresi, Duashnoceras cf. floresi, Duashnoceras paucicostatum, Duashnoceras undulatum, Stephanoceras boulderense
Phaulostephanus burckhardti n. sp. Sandoval and Westermann 1986 ammonite
Subcollina lucretia d'Orbigny 1850 ammonite
Duashnoceras floresi Burckhardt 1927 ammonite
Duashnoceras cf. floresi Burckhardt 1927 ammonite
Duashnoceras paucicostatum Felix 1891 ammonite
Duashnoceras undulatum Burckhardt 1927 ammonite
Stephanoceras boulderense Imlay 1982 ammonite