A little differentiated species evolved from a close common ancestor, a twin species, occuring on either side of the Isthmus.
1 Jan 2023
Strianassa lerayi gen. et sp. nov., a new laomediid mud-shrimp from the eastern Pacific, with new records of Axianassa ngochoae Anker, 2010 and Heteroaxianassa heardi (Anker, 2011) in the western Pacific (Malacostraca: Decapoda: Gebiidea).
A new laomediid genus,
., is established to accommodate a new eastern Pacific species of mud-shrimp,
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 …
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 …
How the Isthmus of Panama Changed the World
A bridge that connected two continents and a barrier that split one ocean.
Jarrod J Scott
18 Feb 2019