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Ceratophallus Crassus
''Ceratophallus'' is a genus of freshwater air-breathing snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells. Snails in this genus are found in Africa and some Indian Ocean islands. Species Species within this genus include: * '' Ceratophallus apertus'' * '' Ceratophallus bicarinatus'' * '' Ceratophallus coretus'' * '' Ceratophallus crassus'' * ''Ceratophallus faini'' * ''Ceratophallus gibbonsi'' (Nelson) * '' Ceratophallus kisumiensis'' (Preston, 1912) * ''Ceratophallus natalensis'' (Krauss) * ''Ceratophallus pelecystoma'' * '' Ceratophallus socotrensis'' (Godwin-Austen, 1883) * ''Ceratophallus yesimit'' Brown, 2001Brown D. S. (2001). "Taxonomy, biogeography and phylogeny of the non-lacustrine African freshwater snails belonging to the genera ''Ceratophallus'' and ''Afrogyrus'' (Mollusca: Planorbidae)". ''Journal of Zoology The ''Journal of Zoology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Animalia
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, can reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of cells, the blastula, during embryonic development. Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a bilaterally symmetric body plan. The Bilateria include the protostomes, containing animals such as nematodes, arthropods, flatworms, annelids and molluscs, and the deuterostomes, containing the echinode ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
