The superfamily Portunoidea including extinct lineages is herein evaluated via cladistic
analysis of adult morphological characters and traditional systematics. Nearly every fossil …

Paleobiogeographic patterns of decapod crustaceans from the Southern Hemisphere,
based upon 441 species-level records arrayed in 154 genera, document global patterns of …

OneThirteen species of crustaceans are described from Miocene and Pliocene sediments of
Chiapas and Veracruz, Southeastern Mexico. 87Sr/86Sr isotopic analysis indicates that the …

Two biogeographical units are generally recognized in the present shelf area of Argentina:
the Magellanian and Argentinian Provinces. The two provinces differ in their fossil record …

We redescribe a species of fiddler crab, Minuca panema (Coelho, 1972), from the Atlantic
coast of South America. It is closely related to M. mordax (Smith, 1870), and until now, the …

An updated systematic review of the Eocene decapod crustacean species from the laminites
of the historical Konservat-Lagerstätten of “Pesciara”(Bolca, Verona) and Monte Postale …

Abstract The Peruvian Province, from 6° S in Peru to 42° S in Chile, is a highly productive
coastal marine region whose biology and fossil record have long been studied separately …

A new vertebrate faunal assemblage was recently discovered from the uppermost part of the
late Miocene Puerto Madryn Formation. These deposits crop out along the southwestern …

Two major marine transgressions covered part of Patagonia during the Miocene and both
are recorded in the Península Valdés region. The older (early Miocene) is represented by …

Spider crabs (Majoidea) are well-known from modern oceans and are also common in the
western part of the Atlantic Ocean. When spider crabs appeared in the Western Atlantic in …