Free Content Five New Species of Marine Gastrotricha from the Atlantic Coast of Florida

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Abstract:

Intertidal and subtidal sands from four locations along the Atlantic coast of Florida (Matanzas Beach, Ormond Beach, Seagull Beach and Vilano Beach) yielded five new species of marine Gastrotricha. Acanthodasys silvulus new species and Paraturbanella aggregotubulata new species constituted the Macrodasyida; Neodasys ciritus new species, Chaetonotus sagittarius new species, and Halichaetonotus bataceus new species comprised the Chaetonotida. Acanthodasys silvulus differs from its two congeners in the smaller size of the cuticular armature, the distribution of lateral adhesive tubes, and the size of the caudal appendage S. Paraturbanella aggregotubulata possesses dorsal adhesive tubes, and has lateral adhesive tubes that are clumped in the mid-trunk region. Neodasys ciritus, a well-known but previously undescribed species, is distinguished by two columns of pigmented-cells positioned along the lateral margins of the digestive tract that impart a rusty-red color to the animal. It also lacks a caudal peduncle. Chaetonotus sagittarius and H. bataceus differ from their congeners primarily in the morphology and distribution of their cuticular armature.

Document Type: Research Article

Publication date: November 1, 1992

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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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