A remarkable burrow-dwelling alpheid shrimp, new genus and new species, from the tropical eastern Pacific (Malacostraca: Decapoda: Caridea

A new alpheid shrimp genus, Pachelpheus gen. nov., is established to accommodate Pachelpheus pachyacanthus sp. nov., described based on two specimens from the Las Perlas Archipelago, Pacific coast of Panama. Pachelpheus pachyacanthus sp. nov. appears …

Unesconia coibensis, gen. et sp. nov., a miniature sponge-associated shrimp from a biodiversity hotspot in the tropical eastern Pacific (Decapoda: Palaemonidae)

A new palaemonid shrimp genus, Unesconia gen. nov., is established to accommodate a peculiar, small, presumably sponge-associated species, Unesconia coibensis gen. et sp. nov. The description of the new genus and species is based on several specimens …

How the Isthmus of Panama Changed the World

A bridge that connected two continents and a barrier that split one ocean.