La Purisima (Miocene to of Mexico)

Where: Baja California Sur, Mexico (26.2° N, 112.1° W: paleocoordinates 25.8° N, 108.8° W)

• coordinate based on nearby landmark

When: Barstovian to Barstovian (16.3 - 12.5 Ma)

• JA: Barstovian to Hemphillian based on AEO results

Environment/lithology: marginal marine; lithology not reported

Primary reference: I. Ferrusquía-Villafranca. 1984. A review of the early and middle Tertiary mammal faunas of Mexico. Journal of Vertebrate Paleontology 4(2):187-198 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18731: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• only one terrestrial taxon
geographic coordinate is far from certain
Mammalia
 Carnivora - Canidae
Epicyon saevus1 Leidy 1858 bone-crushing dog
 Sirenia - Sirenia
Sirenia indet.2 sirenian
 Sirenia - Dugongidae
Dugongidae indet.2 Gray 1821 dugong
"Halianassa allisoni" = Dioplotherium allisoni3 Kilmer 1965 dugong
Chondrichthyes
 Selachii -
unclassified
  -
Mollusca indet.2 Linnaeus 1758
Bivalvia
 Ostreida - Gryphaeidae
"Ostrea loeli" = Pycnodonte loeli2
"Ostrea loeli" = Pycnodonte loeli2 Hertlein 1928 oyster
 Pectinida - Pectinoidae
Lyropecten miguelensis2 Arnold 1906 scallop
Spondylus perrini2 Wiedey 1928 scallop
 Cardiida - Veneridae
"Chione richthofeni" = Chione (Chionopsis) richthofeni2 Hertlein and Jordan 1927 venus clam
Dosinia sp.2 Scopoli 1777 venus clam
Clementia cf. conradiana2 Anderson 1905 venus clam
Gastropoda
 Cerithioidea - Turritellidae
Turritella temblorensis2 Wiedey 1928 turret shell
Turritella ocoyana2 Conrad 1855 turret shell
subspecies wittichi
Turritella inezana2 Conrad 1857 turret shell
subspecies bicarina
 Neogastropoda - Muricidae
"Rapana vaquerosensis" = Califrapana vaquerosensis2
"Rapana vaquerosensis" = Califrapana vaquerosensis2 Arnold 1908 murex snail