Adrianov, A. V.; Higgins, R. P. (1996). Pycnophyes parasanjuanensis, a new kinorhynch (Kinorhyncha: Homalorhagida: Pycnophyidae) from San Juan Island. Proceedings of the Biological Society of Washington. 109 (2): 236-247.

167861

Adrianov, A. V.; Higgins, R. P.

1996

109 (2): 236-247

Publication

https://www.biodiversitylibrary.org/itempdf/107744

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A new species of kinorhynch, Pycnophyes parasanjuanensis. is described and illustrated from muddy sediments from a depth of 20 m at Friday Harbor. Washington (48°33'N, I23°04'W). It constitutes the second species of Pycnophyes from the San Juan Archipelago and the Pacific Coast of North America. The new species closely resembles P. sanjuanensis Higgins, 1961, the only other representative of this genus from this region. Like P. salljuanensis, P. parasanjuanensis has a wide, sculptured anterior margin of the first tergal plate and large circular zones of thin cuticle on the midsternal and episternal plates. It differs from the sympatric P. sanjuanensis and all other congeners in having longitudinal cuticular ridges near the lateral margins of the sternal plates and a fimbriate terminal border on segment 13. In addition, P. sanjuanensis differs from P. parasanjuanensis by its thick, robust lateral terminal spines with rounded tips.

Pacific, North East (Warm + cold temperate (boreal))

Biodiversity, Taxonomic and ecological diversity
Marine interstitial
Meiobenthos

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