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MICROPHRYS BICORNUTUS (LATREILLE, 1825): THE COMPLETE LARVAL DEVELOPMENT UNDER LABORATORY CONDITIONS WITH NOTES ON OTHER MITHRACINE LARVAE (DECAPODA: BRACHYURA: MAJIDAE)

MICROPHRYS BICORNUTUS (LATREILLE, 1825): THE COMPLETE LARVAL DEVELOPMENT UNDER LABORATORY... Microphrvs bicornutiis is a small (ca. 30�0 mm carapace width, cw) intertidal and shallow subtidal spider crab in the subfamily Mithracinae, which occurs from Bermuda and North Carolina, southward to Brazil (Williams, 1965; Markham and McDermott, 1981). The species is ovigerous throughout the year over a large part of its range, but in spite of its abundance and the ease of its collection there has been no complete study published on the larval development of this crab. Lebour (1944) gave an abbreviated description and illustration of 2 zoeal stages from Bermuda, and Hartnoll (1964) provided an expanded description and illustration of the prezoea and 2 zoeal stages from Jamaica. Neither author's study is suffi- ciently detailed to allow meaningful comparison with larval stages of other mith- racine crabs. Ironically, the complete larval development had been worked out for Microphrys bicornutus by Yang (1967), but the study forms part of a volu- minous dissertation which is not readily available, and has remained unpublished. Inasmuch as several discrepancies in description and illustrations occur between the publications of Lebour and Hartnoll and that of Yang, we recultured the larvae of M. bicornutr�s and compared our material with the detailed study provided http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Crustacean Biology Brill

MICROPHRYS BICORNUTUS (LATREILLE, 1825): THE COMPLETE LARVAL DEVELOPMENT UNDER LABORATORY CONDITIONS WITH NOTES ON OTHER MITHRACINE LARVAE (DECAPODA: BRACHYURA: MAJIDAE)

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Publisher
Brill
Copyright
Copyright 1982 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/1937240X82X00194
Publisher site
See Article on Publisher Site

Abstract

Microphrvs bicornutiis is a small (ca. 30�0 mm carapace width, cw) intertidal and shallow subtidal spider crab in the subfamily Mithracinae, which occurs from Bermuda and North Carolina, southward to Brazil (Williams, 1965; Markham and McDermott, 1981). The species is ovigerous throughout the year over a large part of its range, but in spite of its abundance and the ease of its collection there has been no complete study published on the larval development of this crab. Lebour (1944) gave an abbreviated description and illustration of 2 zoeal stages from Bermuda, and Hartnoll (1964) provided an expanded description and illustration of the prezoea and 2 zoeal stages from Jamaica. Neither author's study is suffi- ciently detailed to allow meaningful comparison with larval stages of other mith- racine crabs. Ironically, the complete larval development had been worked out for Microphrys bicornutus by Yang (1967), but the study forms part of a volu- minous dissertation which is not readily available, and has remained unpublished. Inasmuch as several discrepancies in description and illustrations occur between the publications of Lebour and Hartnoll and that of Yang, we recultured the larvae of M. bicornutr�s and compared our material with the detailed study provided

Journal

Journal of Crustacean BiologyBrill

Published: Jan 1, 1982

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