Results 131 to 140 of about 436 (149)

The river crabs of Costa Rica, and the sub-families of the Pseudothelphusidae

open access: yesTulane Studies in Zoology and Botany, 1964
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
exaly   +2 more sources

Recent advances in the biology of the Neotropical freshwater crab family Pseudothelphusidae (Crustacea, Decapoda, Brachyura) [PDF]

open access: yesRevista Brasileira De Zoologia, 2005
Pseudothelphusidae is a well diversified group of Neotropical freshwater crabs currently comprising 40 genera and at least 255 species and subspecies. The biology of these crabs has been an active field of research in the last 20 years. The aim of the present contribution is to discuss the significance of the new knowledge on the biology of these ...
Célio MAGALHÃES, MAGALHÃES Célio
exaly   +4 more sources

Cladistic analysis of the Eudaniela species complex (Crustacea: Decapoda: Pseudothelphusidae)

Hydrobiologia, 1999
Freshwater crabs of the genus Eudaniela s.l. (Pseudothelphusidae: Kingsleyini) are found along the Andean and Coastal Cordillera of Venezuela and in the highlands of Isla Margarita, Trinidad and Tobago. Four of the five species in the genus are very similar in both genital and somatic morphology and may constitute a sibling species complex. A cladistic
R. von Sternberg   +2 more
openaire   +1 more source

Lobithelphusa mexicana Rodriguez, 1982 (Decapoda: Pseudothelphusidae): a reassessment of key characters and systematics

Zootaxa, 2019
Lobithelphusa Rodriguez, 1982 is endemic to southern Mexico. Assigned to this monotypic genus is the freshwater pseudothelphusid crab, L. mexicana Rodriguez, 1982. The original description based on an old, dry, male specimen in the collections of the Natural History Museum, London, is brief and the crab was only partially figured.
Villalobos-Hiriart, José Luis   +4 more
openaire   +3 more sources

Zur Systematik Der Pseudothelphusidae (Decapoda, Brachyura)

Crustaceana, 1974
A review is given of the history of the research on systematics of the family Pseudothelphusidae. A comparision is made on the several systems proposed by Rathbun, Bott and Pretzmann.
openaire   +1 more source

Freshwater crabs (Decapoda: Pseudothelphusidae) increase rates of leaf breakdown in a neotropical headwater stream

Freshwater Biology, 2020
Abstract Freshwater crabs are the largest macroconsumers in many neotropical headwater streams, but few studies have examined their roles in ecosystem processes such as leaf litter breakdown. As omnivorous macroconsumers, freshwater crabs affect multiple trophic levels.
Carol Yang   +5 more
openaire   +1 more source

Pseudothelphusa zongolicae (Decapoda, Pseudothelphusidae), a new species of freshwater crab from Veracruz, Mexico

Crustaceana, 2012
A new species of freshwater crab of the family Pseudothelphusidae from Zongolica, Veracruz, Mexico, is described. Only one previous report exists of a pseudothelphusid crab from the Zongolica region in central Veracruz, but that one belongs to a different tribe.
Fernando Alvarez   +2 more
openaire   +1 more source

Patterns of Freshwater Crab (Decapoda: Brachyura: Pseudothelphusidae) Abundances in Costa Rican Headwater Streams

Biotropica
ABSTRACTNeotropical freshwater crabs are understudied but ecologically important consumers, with largely unknown responses to land use change and watershed urbanization. We used capture–mark–recapture methods to quantify Ptychophallus tumimanus (Pseudothelphusidae) freshwater crab populations across 20 headwater stream sites spanning a range of land ...
Carol Yang   +4 more
openaire   +1 more source

Les crabes d'eau douce d'Amerique. Famille des Pseudothelphusidae

Journal of Crustacean Biology, 1994
Peter K. L. Ng, G. Rodriguez
openaire   +1 more source

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