A new Syndesmis from Saint-Barthélemy, Lesser Antilles (Neorhabdocoela)
Studies on the Fauna of Curaçao and other Caribbean Islands , Volume 26 - Issue 1 p. 134- 139
Mrs. EVELINE DU BOIS-REYMOND MARCUS found the turbellarian described below, which belongs to the Umagillidae (Neorhabdocoela, Dalyellioida), in a vial of Dr. P. WAGENAAR HUMMELINCK’S collection of Caribbean polyclads. The species of Syndesmis are known to live in the body cavity and the intestine, especially the rectum, of sea-urchins, so that the present specimens might have been evacuated together with the faeces. The last revision of the Umagillidae (STUNKARD & CORLISS 1951) was followed by papers of WESTBLAD (1953), HICKMAN (1955, 1956), HICKMAN & OLSEN (1955), and HYMAN (1960). Their results suggest continuing the key of STUNKARD & CORLISS. AS the present species has a simple, not H-shaped, intestine, paired testes, and paired ovaries, the supplement to this KEY is restricted to STUNKARD & CORLISS’ numbers 1-15 of the subfamily Umagillinae.
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Marcus, Ernst. (1968). A new Syndesmis from Saint-Barthélemy, Lesser Antilles (Neorhabdocoela). Studies on the Fauna of Curaçao and other Caribbean Islands, 26(1), 134–139.