Callistocypris thailandensis sp. nov. is here described from terrestrial habitat in Khao Yai National Park, Nakhon Ratchasima province, Thailand. The new species differs from the other three Callistocypris species in the shape of carapace, the presence of strong longitudinal ridges on the ventral part of the valves and the chaetotaxy of several limbs. Zoogeography and ecology of the genus are b...

305. Biology of Vertebrates Fall. 4(3-3) B S 212. Not suggested for students having previous expenence in vertebrate taxonomy or morphology. Primarily concerned with natural history of vertebrates. Topics include morphological characteristics, ecology, zoogeography, and taxonomy of vertebrate animal groups. Laboratory involves recognition of representative species within the various classes.

as a result of our survey in february 2011, a single female specimen of n. dipterygia was found in the tidal zone of chabahar bay and it was caught with a small deep net. the fish was transferred in a bucket to the fisheries laboratory of chabahar maritime university and kept in a salt water aquarium for further examinations. we witnessed the birth of 6 juveniles after 3 days. the female and he...

Parasitism is a ubiquitous phenomenon that is probably as old as heterotrophic organisms themselves. It is one of the major types of symbiotic relationship between organisms of different species. The development of the biological sciences brought about a broader definition of parasitism. By the end of the nineteenth century, it was known that parasites thrive at the expense of their hosts and u...

The genus Alyculus Kazantsev, 1999 is revised. Four species are placed in the genus, two of them are described here: A. barclayi sp. nov. and A. tujuhensis sp. nov. Male genitalia and important diagnostic characters are illustrated and an identification key to males is provided. The zoogeography and some aspects of ecology are discussed.

........................................................................................................................................................................... 198 Introduction ...................................................................................................................................................................... 199 Material and Methods ...................