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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12 NOAA Technical Report NMFS 121 10(9) 10(9) Testes extend laterally to intestinal diverticula. Testes confined to intracecal area; parasitic on tunas (Scombridae).... 11(10) Ratio of disklike anterior adhesive area diameter to haptor diameter is 1:2; one pair of accessory sclerites present in septate haptor. Parasitic on Istiophoridae and Scombridae. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Tristomella spp. (Fig. 12) .. . . . . .. ... . . . .. :.. .. . . Figure 12 Tristomella laevis: (A) ventral view. Scale: 3 mm; (B) dorsal marginal spines; (C) hamulus. Scale: 0.55 mm. Drawn from USNM 18874. B c 11 13

Hendrix: Monogenea of the Eastern United States 13 11(10) Ratio ofdiameter ofsuckerlike anterior adhesive area to haptor diameter less than 1:3; hamuli and sclerites absent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 12(11) Ratio of diameter of anterior adhesive area to haptor diameter approximately 1:4. Parasitic on ocean sunfish, Mola mola. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Capsala martinierei (Fig. 13) .c ',0 A Figure 13 Capsala martinierei: (A) ventral view. Scale: 10 mm; (B) dorsal marginal spines. Drawn from USNM 41146. 8

Hendrix: Monogenea <strong>of</strong> <strong>the</strong> <strong>Eastern</strong> <strong>United</strong> <strong>States</strong> 13<br />

11(10) Ratio <strong>of</strong>diameter <strong>of</strong>suckerlike anterior adhesive area to haptor diameter less than 1:3; hamuli <strong>and</strong><br />

sclerites absent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12<br />

12(11) Ratio <strong>of</strong> diameter <strong>of</strong> anterior adhesive area to haptor diameter approximately 1:4. Parasitic on<br />

ocean sunfish, Mola mola. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Capsala martinierei (Fig. 13)<br />

.c<br />

',0<br />

A<br />

Figure 13<br />

Capsala martinierei: (A) ventral view. Scale: 10 mm; (B) dorsal marginal spines. Drawn from USNM 41146.<br />

8

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