Three new earthworm species of the genus Polypheretima Michaelsen, 1934 (Oligochaeta: Megascolecidae) from Vietnam

Autor:	Anh Nguyen, Tung T. Nguyen, Binh T.T. Tran
Rok vydání:	2015
Předmět:	biology Spermatheca Oligochaeta Genus Megascolecidae Clitellata Earthworm Botany Animal Science and Zoology Polypheretima biology.organism_classification Variable number Ecology Evolution Behavior and Systematics
Zdroj:	Zootaxa. 3905:593
ISSN:	1175-5334 1175-5326
DOI:	10.11646/zootaxa.3905.4.11
Popis:	The paper provides descriptions of three new species of the earthworm genus Polypheretima Michaelsen, 1934 from Dong Nai Province, South Vietnam. They are named Po. cattienensis sp. nov., Po. militium sp. nov., and Po. cordata sp. nov.. All three species are characterized by spermathecal pores in 5/6/7 and the absence of genital markings. Po. cattienensis sp. nov. is distinguished by paired spermathecal pores and seven spermathecae per porus. Po. militium sp. nov. is diagnosed by paired spermathecal pores and a variable number of spermathecae, 21-40 altogether, with 7-17 in 5/6 and 11-23 in 6/7. Po. cordata sp. nov. is recognized by one pair of spermathecal pores in 5/6 and two in 6/7, by only one spermatheca per porus, and by a heart-shaped spermathecal ampulla.
Databáze:	OpenAIRE
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