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Articles 31 - 32 of 32
Full-Text Articles in Parasitology
Calicotyle Californiensis N. Sp. And Calicotyle Urobati N. Sp. (Monogenea: Calicotylinae) From Elasmobranchs In The Gulf Of California, Stephen A. Bullard, Robin M. Overstreet
Calicotyle Californiensis N. Sp. And Calicotyle Urobati N. Sp. (Monogenea: Calicotylinae) From Elasmobranchs In The Gulf Of California, Stephen A. Bullard, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Two new species of Calicotyle (Monocotylidae: Calicotylinae) are described from elasmobranchs in the western Gulf of California. Calicotyle californiensis n. sp. is described from a single specimen collected from a gray smoothhound shark (Mustelus californicus, Carcharhiniformes: Triakidae). It is distinguished from its congeners by the combination of having vaginal pores opening within the intercecal space, distal regions of the vaginae twisting, proximal regions of the vaginae fusing medially to form a kidney bean-shaped structure, and a relatively long male copulatory organ recurving three times and passing between the distal penis bulb and the seminal vesicle. Calicotyle urobati n. …
Structure, Biodiversity, And Historical Biogeography Of Nematode Faunas In Holarctic Ruminants: Morphological And Molecular Diagnoses For Teladorsagia Boreoarticus N. Sp. (Nemadota: Ostertagiinae), Dimorphic Cryptic Species In Muskoxen (Ovibos Moschatus), Eric P. Hoberg, Kirsten J. Monsen, Susan Kutz, Michael S. Blouin
Structure, Biodiversity, And Historical Biogeography Of Nematode Faunas In Holarctic Ruminants: Morphological And Molecular Diagnoses For Teladorsagia Boreoarticus N. Sp. (Nemadota: Ostertagiinae), Dimorphic Cryptic Species In Muskoxen (Ovibos Moschatus), Eric P. Hoberg, Kirsten J. Monsen, Susan Kutz, Michael S. Blouin
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Discovery of the ostertagiine nematode Teladorsagia boreoarcticus n. sp. in muskoxen, Ovibos moschatus, from the central Canadian Arctic highlights the paucity of knowledge about the genealogical and numerical diversity of nematode faunas characteristic of artiodactyls at high latitudes across the Holarctic. Teladorsagia boreoarcticus is a dimorphic cryptic species distinguished from Teladorsagia circumcincta/Teladorsagia trifurcata in domestic sheep by a 13% divergence in the ND4 region of mitochondrial DNA, constant differences in the synlophe, and significantly longer esophageal valve, spicules, gubernaculum, and bursa. Teladorsagia boreoarcticus represents an archaic component of the North American fauna and may have a Holarctic …