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Free Content Nudibranch Dorids from the Pacific Coast of Costa Rica with the Description of a New Species

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Abstract:

We describe a new species of opisthobranch dorid, Atagema notacristata sp. nov., from Costa Rica and Panama, and redescribe four species of dorids from the Pacific Coast of Costa Rica. Atagema notacristata is distinctive among the described taxa in having a unique combination of the following features: light brown background color with no conspicuous spots, compound tubercles with caryophyllidia uniformly arranged on the dorsum, short rhinophore sheaths, conical oral tentacles, five tripinnate branchial leaves, three branchial lobes, and a lobate blood gland. We redescribe Geitodoris mavis (Marcus and Marcus, 1967), Doris immonda (Risbec, 1928), Doris pickensi Marcus and Marcus, 1967, and Doris tanya Marcus, 1971, based on new material recently collected from the Pacific Coast of Costa Rica. Doris immonda represents the first record of this Indo-Pacific species in the Eastern Pacific.

Document Type: Research Article

Publication date: 2008-09-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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