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Fig. 4 | Zoological Letters

Fig. 4

From: New insights into the morphology and evolution of the ventral pharynx and jaws in Histriobdellidae (Eunicida, Annelida)

Fig. 4

Comparative schemes of the pharyngeal apparatuses in Dorvilleidae and Histriobdella homari. Arrows in (a) and (c) indicate the position of the transversal section. a. Dorvilleidae (Ophryotrocha and Protodorvillea); lateral view. b. Dorvilleidae (Ophryotrocha and Protodorvillea); cross-section. c. Histriobdella; lateral view. d. Histriobdella; cross-section. The schematic representation is modified from [9]. di, dorsal invagination; dr, dorsal rod; drf, dorsal rod flexor; im, investing muscles; md, mandibles; mi, median invagination; mx, maxillae; oe, esophagus; vb, ventral muscle bulb; vc, ventral carriers; vcr, ventral carrier retractor; vi, ventral invagination

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Zoological Letters

ISSN: 2056-306X

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