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La nouvelle superfamille des Retroplumoidea Gill, 1894 (Decapoda, Brachyura): systématique, affinités et évolution
de Saint Laurent, M. (1989). La nouvelle superfamille des Retroplumoidea Gill, 1894 (Decapoda, Brachyura): systématique, affinités et évolution, in: Forest, J. Résultats des Campagnes MUSORSTOM 5. Mémoires du Muséum national d'Histoire naturelle. Série A, Zoologie, 144: pp. 103-179
In: Forest, J. (Ed.) (1989). Résultats des Campagnes MUSORSTOM 5. Mémoires du Muséum national d'Histoire naturelle. Série A, Zoologie, 144. Editions du Muséum: Paris. ISBN 2-85653-164-4. 385 pp.
In: Mémoires du Muséum national d'Histoire naturelle. Série A, Zoologie. Editions du Muséum: Paris. ISSN 0078-9747
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| Trefwoorden |
Biological phenomena > Evolution
Classification > Taxonomy
Philippines
Retroplumoidea Gill, 1894 [WoRMS]
Philippine Exclusive Economic Zone [Marine Regions]
Marien/Kust |
| Abstract |
The small family Retroplumidae, one of the smallest among Brachyura, includes only two genera in the Recent fauna: Retropluma Gill, 1894, with six species, two of which are new; and Bathypluma, gen. nov., with three species, two of which are also new. The first part of this work deals with the systematics of the family. It is based mainly upon the material collected in the Philippines in the course of the first three MUSORSTOM expeditions. In addition to the description of the new taxa, Retropluma serenei, R. quadrata, Bathypluma spinifer and B. forficula, the previously known ones are revised. This is supplemented by a few comments on the geographical and bathymetrical distribution of the various species, and by a few remarks concerning their ecology. In the second part, a critical review of fossil remains attributed to the family reveals that only Eurafrican or Asiatic fossils belong with certainty to the retroplumid lineage and that the species of American origin so far described should be excluded from the group. A detailed study of both living and extinct species of retroplumids shows the great originality of this little group, which is unique in particular so far as the morphology of the orbito-antennary region and of the posterior thoracic region go. They appear in the fossil records from the origin of the Upper Cretaceous, and it may be surmised that they represent an early offshoot of the main eubrachyuran, or true crab, line. The rank of superfamily herein assigned to the family Retroplumidae indicates the impossibility of linking this small group to any other family of Brachyura. |
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