Helmintosomus Cocco [A.] 1840:239 Neut. Helmintosomus dellechiaje Cocco 1840. Type by monotypy. An available name with description as above. Spelled Helminthostoma in Günther 1870:145 [ref. 1995] in a passing reference to manuscript name placed by Günther in synonymy of Porobranchus. •Synonym of Carapus Rafinesque 1810 based on placement of Helminthostoma of Günther -- (Arnold 1956:260 [ref. 5315]). Current status: Synonym of Carapus Rafinesque 1810. Carapidae: Carapinae.