Download e-book for iPad: Advances in Decapod Crustacean Research: Proceedings of the by Frederick R. Schram (auth.), José P. M. Paula, Augusto A. V.

By Frederick R. Schram (auth.), José P. M. Paula, Augusto A. V. Flores, Charles H. J. M. Fransen (eds.)

ISBN-10: 9048156882

ISBN-13: 9789048156887

ISBN-10: 940170645X

ISBN-13: 9789401706452

Decapod crustaceans are a very vital animal workforce in a number of aquatic environments, equivalent to freshwater, estuaries, and oceans. learn in this crew has elevated in the course of fresh a long time, and pertains to their financial and ecological value. The papers integrated mirror present developments in decapod crustacean study, and current effects on a variety of particular examine fields, grouped into the most important subject matters: a) Systematics, Phylogeny, and Biogeography, b) development, Morphology, and improvement, c) Ecology and behavior, d) replica, and e) Fisheries and tradition.
The Colloquia Crustacea Decapoda Mediterranea are dedicated to decapod crustacean learn, and organised on a 3-year foundation by way of associations of the Mediterranean geographical region. The scope of those conferences has gradually widened in the course of the series of occasions, and almost immediately welcomes contributions from crustacean study world-wide.

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Additional resources for Advances in Decapod Crustacean Research: Proceedings of the 7th Colloquium Crustacea Decapoda Mediterranea, held at the Faculty of Sciences of the University of Lisbon, Portugal, 6–9 September 1999

Example text

Moreover, a close relationship between the Pseudothelphusidae, Gecarcinucidae, and Parathelphusidae is contradicted by a number of characters found in the latter two Old World families that are 36 not found in the pseudothelphusids. These characters include: epigastric crests (13-1), postorbital crests (16-1), posterolateral carapace carinae (24-1), a distinct lateral carina on the extreme posterior margin of the carapace (25-1), carapace sidewall carinae (321), and a first gonopod with a significantly developed terminal article (99-1, 100-1).

1). These findings are partially consistent with the cladistic study of brachyrhynchan groundpatterns conducted by Sternberg et a!. (1999) and Sternberg & Cumberlidge (1999). Also consistent with the groundpattern groupings obtained in Sternberg eta!. (1999) is that Carcinus was placed as the sister taxon of the Trichodactylidae (see Rodriguez, 1992), with this clade forming a polytomy with the remaining portunoids and the Geryonidae. s. e. subfamilies Carcinoplacinae and Goneplacinae), and the incertae sedis genus Beuroisia, formed a trichotomy with the [bythograeid, pinnotherid, pseudothelphusid+potamoid clade, Thoracotremata] set.

76. 77. 78. 79. 80. Male abdomen outline narrowly triangular: absent (0); intermediate ( l ); distinct (2). Male abdomen an equilateral triangle in outline: absent (0); intermediate (l ) ; distinct (2). Male abdominal segments a3- a4: freely articulating (0); fused ( I). Suture between male abdominal segments a3- a4: visible (0); erased ( l ). Male abdominal segments a4- a5: freely articulating (0); fu sed ( I). Suture between male abdominal segments a4- a5: visible (0): erased (I ). Male abdominal locking facets on a6: distinct (0); absent (I).

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Advances in Decapod Crustacean Research: Proceedings of the 7th Colloquium Crustacea Decapoda Mediterranea, held at the Faculty of Sciences of the University of Lisbon, Portugal, 6–9 September 1999 by Frederick R. Schram (auth.), José P. M. Paula, Augusto A. V. Flores, Charles H. J. M. Fransen (eds.)


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