Locke, J. M. [Jan Maureen]; Coates, K. A. (1999). Redescriptions of Grania americana, G. bermudensis and descriptions of two new species of Grania (Annelida : Clitellata : Enchytraeidae) from Bermuda. Proceedings of the Biological Society of Washington. 112(3), 598-623.

340677

Locke, J. M. [Jan Maureen]; Coates, K. A.

1999

112(3), 598-623

Publication

https://biodiversitylibrary.org/page/34590247

See also the Locke 1998 thesis where G. laxartus has the spelling 'laxarta', changed to a noun in apposition in the present work.

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The diversity of the enchytraeid genus Grania is reexamined in Bermuda. Herein, four species, G. bennudensis Ersius & Lasserre, 1976, G. americana Kennedy, 1966, G. laxartus, new species, and G. hylae, new species, are described from intertidal and subtidal sand habitats of Bermuda. Grania americana and G. laxartus are also reported from the Caribbean area and G. hylae from Florida. Grania bermudensis is recognized as a separate species rather than as a subspecies of G. macrochaeta (Pierantoni, 1901). Grania americana and G. laxartus have distinctive spermathecal structures and the latter has a penial stylet. Grania bennudensis and G. hylae can be easily separated from their Bermudian congeners by the dorsal position of spermathecal pores. Both G. americana and G. hylae have statocyst-like sensory structures associated with their brains. These studies provide new information diversity, distribution and taxonomy of Grania species of the North Atlantic and on the structural diversity of male duct systems and of statocyst-like sensory structures.

Caribbean region

Annelida

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