Entobdella rosaceus Crane, 1972

Kearn, Graham C., Whittington, Ian D. & Evans-Gowing, Richard, 2007, A revision of Entobdella Blainville in Lamarck, 1818, with special emphasis on the nominal (type) species “ Entobdella hippoglossi (Müller, 1776) Blainville, 1818 ” (Monogenea: Capsalidae: Entobdellinae) from teleost flatfishes, with descriptions of three new species and a new genus, Zootaxa 1659, pp. 1-54 : 22

publication ID

1175­5334

publication LSID

lsid:zoobank.org:pub:3BE427BD-3EEA-439C-80E5-D92D91CEF47A

DOI

https://doi.org/10.5281/zenodo.5104572

persistent identifier

https://treatment.plazi.org/id/585387F0-FF94-FF83-159F-FF79FCFFB546

treatment provided by

Felipe

scientific name

Entobdella rosaceus Crane, 1972
status

 

Entobdella rosaceus Crane, 1972

( Fig. 15K)

Crane’s (1972) description is based on a single specimen from the skin of a round-bodied host, the pink seaperch, Zalembius rosaceus . Reference to the holotype (broken transversely into an anterior and posterior half) reveals some errors. The whole animal is shown in Crane’s fig. 1 and with reference to the haptor this is a ventral view. However, the common genital opening is shown on the right margin of the body. In the text the common genital opening is said to be located on the left body margin, as in other entobdellines, and our observations on the holotype confirm that this is the correct location of the common genital opening in E. rosaceus . In Crane’s fig. 2, the uterus is incorrectly labelled “vagina” and the ootype is mislabelled as “uterus”. The vagina is not illustrated and we were unable to find it in the holotype. Seminal receptacles are hard to resolve but at least 2 and possibly 4 are present. Glands of Goto and eyes are present.

Crane claimed that E. rosaceus is the only species of Entobdella in which the “posterior anchor” (= posterior hamulus) has a “long, thin root” extending anteriorly. We confirmed the observation of Klassen et al. (1989) that this anterior root is not part of the sclerite. Papillae are present on the ventral haptor surface. The tendon associated with the accessory sclerite terminates on the proximal part of the anterior hamulus and the accessory sclerite is strongly curved distally ( Fig. 15K).

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