Marine Flora and Fauna of the Eastern United States Platyhelminthes

Marine Flora and Fauna of the Eastern United States Platyhelminthes Marine Flora and Fauna of the Eastern United States Platyhelminthes

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26 NOAA Technical Report NMFS 121 24(23) Haptor with 14 muscular peduncles, each contammg a marginal hook, cuticular ridges absent; anterior adhesive area with 4 pairs of head organs. Parasitic on the bluntnose stingray, Dasyatis say. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Loimopapillosum dasyatis (Fig. 28) 24(23) Haptor lacking peduncles, cuticular ridges present on dorsal surface; anterior adhesive area consisting of 2 or 4 small preoral suckers in a transverse row. Parasitic on requiem sharks (Carcharhinidae) Loimos spp. (Fig. 29) Figure 28 Loimopapillosum dasyatis: ventral view. Scale: 0.5 mm. Drawn from USNM 38145. A 8 Figure 29 Loimos salpinggoides: (A) ventral view. Scale: 0.5 mm; (B) hamulus. Drawn from USNM 35675.

Hendrix: Monogenea of the Eastern United States 27 25(5) Testis 1, male copulatory apparatus unarmed. Parasitic on spiny dogfish and dusky sharks, Carcharhinus obseurns. Microbothrium apiculatum (Fig. 30) 25(5) Testes 2 or more, male copulatory apparatus armed with spines 26 Figure 30 Microbothrium apiculatum: ventral view. Scale: 1 mm. Drawn from USNM 35684.

Hendrix: Monogenea <strong>of</strong> <strong>the</strong> <strong>Eastern</strong> <strong>United</strong> <strong>States</strong> 27<br />

25(5) Testis 1, male copulatory apparatus unarmed. Parasitic on spiny dogfish <strong>and</strong> dusky sharks, Carcharhinus<br />

obseurns. Microbothrium apiculatum (Fig. 30)<br />

25(5) Testes 2 or more, male copulatory apparatus armed with spines 26<br />

Figure 30<br />

Microbothrium apiculatum: ventral<br />

view. Scale: 1 mm. Drawn from<br />

USNM 35684.

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