Glypthelmins
Creators: name: León, Pérez-Ponce De
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Platyhelminthes
Trematoda
Plagiorchiida
Macroderoididae
Glypthelmins

description: Key to species of Glypthelmins
1a. Ratio of body width/length larger than 7. Suctorial disc in ventral sucker present................. G. intestinalis
1b. Ratio of body width/length smaller than 6. Suctorial disc in ventral sucker absent....................................2.
2a. Perypharyngeal glands present ....................................................................................................... G. quieta
2b. Perypharyngeal glands absent......................................................................................................................3.
3a. Ratio of oral sucker/ventral sucker length smaller than 1:0.6.....................................................................4.
3b. Ratio of oral sucker/ventral sucker length larger than 1:0.7........................................................................9.
4a. Pharynx width larger than ventral sucker width..........................................................................................5.
4a. Pharynx width equal or smaller than ventral sucker width..........................................................................8.
5a. Symmetrical testes .............................................................................................................. G. californiensis
5b. Oblique testes...............................................................................................................................................6.
6a. Vitelline follicles confluent dorsally in the region between caecal bifurcation and ventral sucker ............... ................................................................................................................................................ G. tuxtlasensis
6b. Vitelline follicles confluent dorsally only at the level of testes...................................................................7.
7a. Uterine loops occupying the postcaecal space posteriorly to the end of body ................................ G. facioi
7b. Uterine loops occupying the intercaecal space posteriorly to the end of caeca............................... G. parva
8a. Asymmetrical distribution of the 2 fields of vitelline follicles along the body ................... G. brownorumae
8b. Symmetrical distribution of the 2 fields of vitelline follicles along the body ............................... G. shastai
9a. Uterine loops between ventral sucker and testes region; extracaecal uterine loops along the body present.. ....................................................................................................................................... G. pennsylvaniensis
9b. Uterine loops between ventral sucker and testes region absent; extracaecal uterine loops along the body absent........................................................................................................................................... G. hyloreus
description: Published as part of León, Pérez-Ponce De, 2008, Taxonomic revision of the genus Glypthelmins Stafford, 1905 (Platyhelminthes: Digenea: Plagiorchiida), parasites of anurans in the Americas, pp. 1-45 in Zootaxa 1882 on pages 15-16, DOI: 10.5281/zenodo.184219