Panama Canal Zone II (Miocene to of Panama)

Where: Panama (8.5° N, 80.8° W: paleocoordinates 7.8° N, 78.5° W)

When: Culebra Formation, Aquitanian to Aquitanian (23.0 - 16.0 Ma)

• Callianassa tenuis from Emperador limestone, same Oligocene series. Callianassa stridens from hard sandstone, Culebra formation. Callianassa lacunosa from lower dark clay beneath conglomerate, lower part of Culebra formation. Mursia macdonaldi from Emperador limestone. Mursia obscura from dark clay, lower part of Culebra formation.

Environment/lithology: marine; nodular limestone

Size classes: macrofossils, mesofossils

Primary reference: M. J. Rathbun. 1918. Decapod Crustaceans from the Panama Region. Smithsonian Institution United States National Museum 123-184 [C. Schweitzer/S. Yost/S. Yost]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135453: authorized by Carrie Schweitzer, entered by Samantha Yost on 26.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda -
Thaumastoplax prima Rathbun 1918 decapod
 Decapoda - Axiidae
Axius reticulatus Rathbun 1918 decapod
 Decapoda - Callianassidae
"Callianassa crassimana" = Neocallichirus scotti Brown and Pilsbry 1913 decapod
Callianassa indet. Leach 1814 decapod
Callianassa abbreviata Rathbun 1918 decapod
Callianassa elongata Rathbun 1918 decapod
Callianassa ovalis Rathbun 1918 decapod
Callianassa lacunosa Rathbun 1918 decapod
Callianassa magna Rathbun 1918 decapod
Callianassa spinulosa Rathbun 1918 decapod
Callianassa stridens Rathbun 1918 decapod
Callianassa quadrata Rathbun 1918 decapod
Callianassa tenuis Rathbun 1918 decapod
 Decapoda - Euryplacidae
Euryplax culebrensis Rathbun 1918 crab
 Decapoda -
Brachyrhyncha indet. Borradaile 1907 crab
 Decapoda - Parthenopidae
Parthenope panamensis Rathbun 1918 crab
 Decapoda - Carpiliidae
Carpilius indet. Desmarest 1823 crab
 Decapoda - Hepatidae
Hepatus indet. Latreille 1802 crab
 Decapoda - Panopeidae
Panopeus indet. Milne Edwards 1834 crab
 Decapoda - Goniochelidae
Goniochele armata Rathbun 1918 crab
 Decapoda - Portunidae
Callinectes indet. Stimpson 1860 swimming crab
Callinectes reticulatus Rathbun 1918 swimming crab
 Decapoda - Calappidae
Calappella quadrispina Rathbun 1918 box crab
Mursia obscura Rathbun 1918 box crab
Mursia macdonaldi Rathbun 1918 box crab