@article {378,
	title = {Evidence of different reproductive traits in the transisthmian sister species, Alpheus saxidomus and A-simus (Decapoda, Caridea, Alpheidae): description of the first postembryonic stage},
	journal = {Marine Biology},
	volume = {140},
	number = {3},
	year = {2002},
	note = {0025-3162},
	month = {Mar},
	pages = {605-612},
	abstract = {The emergence of the Isthmus of Panama, approximately 3.0-3.5 million years ago, established two very different marine systems (the Caribbean and the eastern Pacific) and separated previously continuous marine populations. The geographic isolation of transisthmian sister species provides an excellent basis for the study of divergence and speciation processes. Here we describe the morphology of the first postembryonic stage of Alpheus saxidomus and A. simus, two rock-boring alpheids; the estimated time since divergence for this transisthmian pair ranges from 4.4-6.1 to 3-9 million years. The presence of a first zoeal stage in A. saxidomus, e.g., without pleopods and a telson with 7 + 7 setae, indicates a prolonged developmental sequence. In contrast, hatchlings of A. simus are substantially more developed and resemble juveniles. Thus, the developmental modes of A. saxidomus and A. simus are strikingly different with abbreviated, most probably direct, development in the latter species. Reduced food availability in the Caribbean compared to the Pacific coast is likely to be a possible reason for the evolution of such important differences in life history traits of the two transisthmian sister species. It is suggested that a transition from prolonged to abbreviated development evolved gradually during the estimated time since divergence; however, such a shift may have taken place within a substantially smaller time span.},
	url = {<Go to ISI>://000174973700017},
	author = {Wehrtmann, I. S. and Albornoz, L.}
}
@article {355,
	title = {Leslibetaeus coibita, n. gen., n. sp., a new alpheid shrimp from the Pacific coast of Panama (Crustacea : Decapoda)},
	journal = {Zootaxa},
	number = {1183},
	year = {2006},
	note = {1175-5326},
	pages = {27-41},
	abstract = {A new alpheid shrimp, Leslibetaeus coibita, n. gen., n. sp., is described on the basis of two specimens extracted from crevices in a shale rock on the rocky intertidal shore in the Isla Coiba National Park, Pacific coast of Panama. Leslibetaeus is characterized by absence of rostrum and orbital teeth; eyes being only partially covered by carapace; sixth abdominal somite without articulated plate; first segment of the antennular peduncle without tooth on ventromesial carina; short scaphocerite; tip of third maxilliped with stout spines; and strap-like epipods present on third maxilliped and first to fifth pereiopod; stout symmetrical chelipeds, with carpus distally strongly lobed and bearing two rows of setae mesially, and chela without snapping mechanism; carpus of second pereiopod five-segmented, with second segment distinctly longer than first; ischium and merus of third pereiopod unarmed. The new genus appears to be relatively basal and not closely related to any of the currently described alpheid genera. The finding of this new taxon in a relatively accessible habitat indicates a yet unexplored biological potential of the Isla Coiba National Park.},
	url = {<Go to ISI>://000236970600002},
	author = {Anker, A. and Poddoubtchenko, D. and Wehrtmann, I. S.}
}
@article {439,
	title = {Fecundity and effects of bopyrid infestation on egg production in the Caribbean sponge-dwelling snapping shrimp Synalpheus yano (Decapoda: Alpheidae)},
	journal = {Journal of the Marine Biological Association of the UK},
	year = {In Press},
	author = {Hern{\'a}ez, P and Mart{\`I}nez-Guerrero, B. and Anker, A. and Wehrtmann, I. S.}
}
