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Two New Species of Acanthobothrium (Cestoda: Tetraphyllidea) from Elasmobranchs of the Eastern Pacific

Ralph G. Appy and Murray D. Dailey
The Journal of Parasitology
Vol. 59, No. 5 (Oct., 1973), pp. 817-820
DOI: 10.2307/3278414
Stable URL: http://www.jstor.org/stable/3278414
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Two New Species of Acanthobothrium (Cestoda: Tetraphyllidea) from Elasmobranchs of the Eastern Pacific
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Abstract

Acanthobothrium bajaensis sp. n. (Tetraphyllidea: Oncobothriidae), characterized by length, number of segments, size of hooks, and number of testes, was found in 3 of 4 horn sharks, Heterodontus francisci (Girard) from San Quintin Bay, Baja California, and one horn shark from Newport Bay, California. Acanthobothrium goldsteini sp. n. is characterized by number of testes, number of segments, spinose scolex, hook size, cirrus pouch, length of peduncle, and strobila. These cestodes were found in 2 thornback rays, Platyrhinoidis triseriata (Jordan and Gilbert), from Seal Beach, California. A. olseni Dailey, 1968, is reported from a new host, the round stingray, Urolophus halleri Cooper. The genus Acanthobothrium is discussed.

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