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Larval Development of Philyra Platychira (Decapoda: Leucosiidae) Reared in the Laboratory

Larval Development of Philyra Platychira (Decapoda: Leucosiidae) Reared in the Laboratory AbstractThe complete larval development of Philyra platychira de Haan, 1841, from hatching to the megalopal stage, was obtained by laboratory rearing. Three zoeal and one megalopal stages are described and illustrated in detail. In the subfamily Philyrinae, it is unusual that the zoea has a lateral swollen protuberance on the carapace that in the third stage develops into a spine. The Philyra zoeae could be easily distinguished from the zoeae Arcania and Myra by having no lateral carapace spine, 2+1 setae on the endopod of the maxilla, and three small teeth on the posterolateral margin of the telson. In the family Leucosiidae, Philyra is as advanced as the leucosiines, whereas Arcania and Myra are the most ancestral group, based on the zoeal characteristics. Therefore, it is considered that the subfamily Philyrinae might be a significantly heterogeneous group. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Crustacean Biology Oxford University Press

Larval Development of Philyra Platychira (Decapoda: Leucosiidae) Reared in the Laboratory

The Journal of Crustacean Biology , Volume 20 (2) – Mar 1, 2000

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Publisher
Oxford University Press
Copyright
Copyright 2000 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/20021975-99990042
Publisher site
See Article on Publisher Site

Abstract

AbstractThe complete larval development of Philyra platychira de Haan, 1841, from hatching to the megalopal stage, was obtained by laboratory rearing. Three zoeal and one megalopal stages are described and illustrated in detail. In the subfamily Philyrinae, it is unusual that the zoea has a lateral swollen protuberance on the carapace that in the third stage develops into a spine. The Philyra zoeae could be easily distinguished from the zoeae Arcania and Myra by having no lateral carapace spine, 2+1 setae on the endopod of the maxilla, and three small teeth on the posterolateral margin of the telson. In the family Leucosiidae, Philyra is as advanced as the leucosiines, whereas Arcania and Myra are the most ancestral group, based on the zoeal characteristics. Therefore, it is considered that the subfamily Philyrinae might be a significantly heterogeneous group.

Journal

The Journal of Crustacean BiologyOxford University Press

Published: Mar 1, 2000

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