Mazantic Shale (Miocene of Mexico)

Where: Chiapas, Mexico (16.0° N, 92.0° W: paleocoordinates 16.6° N, 88.0° W)

When: Mazantic Shale Formation, Aquitanian (23.0 - 20.4 Ma)

Environment/lithology: marine; calcareous shale

Size classes: macrofossils, mesofossils

Primary reference: F. J. Vega, T. Nyborg, M. A. Coutiño, J. Solé, and O. Hernández-Monzon. 2009. Neogene Crustacea from Southeastern Mexico. Bulletin of the Mizunami Fossil Museum 35:51-69 [C. Schweitzer/E. Johnson/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133885: authorized by Carrie Schweitzer, entered by Evaline Johnson on 30.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
da Costa, 1778
Malacostraca
 Decapoda - Ctenochelidae
Ctenocheles sp. Kishinouye 1926 decapod
Kishinouye, 1926
 Decapoda - Callianassidae
Neocallichirus aetodes Schweitzer et al. 2006 decapod
Schweitzer, Iturralde-Vinent, Hetler, Velez-Juarbe, 2006
 Decapoda - Calappidae
Calappa zurcheri Bouvier 1899 box crab
Bouvier, 1899
 Decapoda - Hexapodidae
Palaeopinnixa perornata Collins and Morris 1976 crab
Collins and Morris, 1976
 Decapoda - Aethridae
Hepatella amazonica Beurlen 1958 crab
Beurlen, 1958
 Decapoda -
Portunoidea sp. Rafinesque 1815 crab
 Decapoda - Portunidae
Portunus atecuicitlis Vega 1999 swimming crab
Vega, Feldmann, Villalobos-Hiriart, and Gio-Argaez, 1999
Necronectes sp. Milne-Edwards 1881 swimming crab
A. Milne Edwards, 1881
 Decapoda - Panopeidae
Eurytium sp. Stimpson 1862 crab
Stimpson, 1859
 Decapoda - Xanthidae
Haydnella steininbergi stone crab
Muller, 1984
 Decapoda - Leucosiidae
Iliacantha panamica crab
Collins and Todd, 2005
 Decapoda - Diogenidae
Petrochirus sp. Stimpson 1858 hermit crab
Stimpson, 1859