New Cretaceous and Eocene Callianassoidea (Thalassinidea, Decapoda) from Algarrobo, Chile | Zendy

Carrie E. Schweitzer | Zendy; Alfonso Encinas | Zendy; Manuel Suárez | Zendy; Rodney M. Feldmann | Zendy

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New Cretaceous and Eocene Callianassoidea (Thalassinidea, Decapoda) from Algarrobo, Chile

Author(s) -

Carrie E. Schweitzer,

Alfonso Encinas,

Manuel Suárez,

Rodney M. Feldmann

Publication year - 2006

Publication title -

journal of crustacean biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 54

eISSN - 1937-240X

pISSN - 0278-0372

DOI - 10.1651/c-2603.1

Subject(s) - biology , cretaceous , decapoda , genus , sexual dimorphism , taxon , crustacean , paleontology , zoology

New decapod crustacean fossils collected from Eocene rocks of Algarrobo, Chile, have yielded a new genus and species of callianassid, Melipal chilensis. The large sample size makes it possible to recognize marked sexual dimorphism of the major cheliped and pronounced heterochely in the new taxon. Cretaceous fossils from Algarrobo are referred to Protocallianassa saetosa (Forster and Stinnesbeck, 1987) new combination. That genus is rather large and unwieldy as currently understood, but examination of type material will be necessary to revise it.

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