During January 1994, feces from a captive juvenile Galápagos tortoise, Chelonoidis sp., from the Dallas Zoo, Dallas County, Texas was examined for coccidia. The tortoise was found to harbor an eimerian which is described as new. Sporulated oocysts of Eimeria iversoni n. sp. were ovoidal with a...

A new species of Acroeimeria Paperna & Landsberg, 1989 is described from Wiegmann's torquate lizard Sceloporus torquatus torquatus Wiegmann from Toluca, México. Oöcysts of Acroeimeria wiegmanni n. sp. are sub-spheroidal with a smooth bi-layered wall, measure on average 28.6 × 23.6 µm, and have a...

Legless lizards (Amphisbaenia) belong to a group of mostly legless squamates that include about 196 species. One genus (Bipes) retains a pair of forelimbs, but all other 19 genera in the clade are limbless. They are widely distributed, occurring in the Middle East and the Caribbean and nearly all...

Between December 2016 and February 2017, 17 Home's hingeback tortoise, Kinixys homeana, confiscated by the United States Fish and Wildlife Service and originating from the Republic of Benin, Africa, had their feces examined for coccidian and helminth parasites. No coccidia were passing in their...

Between 1991 and 1993, 295 lizards, comprising 21 species in 2 families (Gekkonidae, Scincidae) from the Cook Islands, Fiji, Palau, Takapoto, and Vanuatu in the South Pacific, were examined for Cryptosporidium oocysts. Only 6 lizards (2%) were found to be passing Cryptosporidium oocysts in their...

Little is known about the coccidian parasites of North American birds of the family Cardinalidae. A single isosporan, Isospora vanriperorum was previously described over 40 years ago from the northern cardinal, Cardinalis cardinalis from Hawaii. Since then, it was also reported in the green-winged...

Purpose: Many passeriform birds are excellent hosts of coccidian parasites but little is known of the coccidians infecting members of the family Passerellidae, particularly from the dark-eyed junco, Junco hyemalis (Linnaeus, 1758). Here, we report from morphometric and mensural data a new species...

Macroscopic examination of 622 Salado salamanders, Eurycea chisholmensis Chippindale, Price, Wiens and Hillis, 2000, collected between June 2018 and July 2020 from 3 springs in Williamson County, Texas, U.S.A., revealed the presence of encapsulated metacercariae of Clinostomum cf. marginatum...

Myxosporean species in the genus Cystodiscus are parasites of amphibians and have been reported from several continents. Typically used for the identification of myxozoans, the spores produced by these species are similar to one another, possessing 2 polar capsules and being ovoid. The number of...

The wood thrush, Hylocichla mustelina, is a North American passerine bird closely related to other thrushes and is widely distributed across North America. Nothing is known of the coccidian parasites of this bird. Feces from a single H. mustelina found dead in McCurtain County, Oklahoma were...