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Phylogeny of Paragnathorhynchus Meixner and Aculeorhynchus Schilke (Turbellaria, Kalyptorhynchia)
Author(s) -
KARLING TOR G.
Publication year - 1983
Publication title -
zoologica scripta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.204
H-Index - 64
eISSN - 1463-6409
pISSN - 0300-3256
DOI - 10.1111/j.1463-6409.1983.tb00551.x
Subject(s) - biology , turbellaria , sister group , taxon , zoology , proboscis , phylogenetics , anatomy , ecology , biochemistry , clade , gene
Paragnathorhynchus subterraneus Meixner is redescribed and identified with Prognathorhynchus stilofer Schilke. The paired tubular extracapsular secretory sacs in the proboscis apparatus of Aculeorhynchus glandulis Schilke are interpreted as evolutionary derivatives of intracapsular secretory vesicles in the proboscis of some Gnathorhynchidae. Aculeorhynchus Schilke is interpreted as an apomorph sister taxon of a group of taxa in the Gnathorhynchidae.