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New Hamacantha from Peru and resurrection of Zygherpe as subgenus (Demospongiae, Poecilosclerida, Hamacanthidae)
Hajdu, E; Hooker, Y; Willenz, P. (2015). New Hamacantha from Peru and resurrection of Zygherpe as subgenus (Demospongiae, Poecilosclerida, Hamacanthidae). Zootaxa 3926(1): 87-99. dx.doi.org/10.11646/zootaxa.3926.1.3
In: Zootaxa. Magnolia Press: Auckland. ISSN 1175-5326, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 295200 [ OMA ]

Keywords
    Biemna Gray, 1867 [WoRMS]; Desmacella Schmidt, 1870 [WoRMS]; Hamacantha Gray, 1867 [WoRMS]; Neofibularia Hechtel, 1965 [WoRMS]; Porifera [WoRMS]; Rhabderemia Topsent, 1890 [WoRMS]; Sigmaxinella Dendy, 1897 [WoRMS]; Zygherpe de Laubenfels, 1932 [WoRMS]; Marine
Author keywords
    taxonomy; marine biodiversity; Porifera; southeastern Pacific;micromorphology; spicules

Authors  Top 
  • Hajdu, E
  • Hooker, Y
  • Willenz, P., more

Abstract
    Two species of Hamacantha with tylostyles are reported here for the Peruvian coast, namely H. desmacelloides sp.nov. and H. hyaloderma. The former is the first species in the genus with apically microspined sigmas, similar to those known to occur in Neofibularia, and recently reported from genera Biemna, Desmacella, Rhabderemia and Sigmaxinella. Hamacantha hyaloderma was previously known from Mexico to Canada, and is here reported for the first time from the south east Pacific. The finding of a second species with tylostyles led us to reinstate subgenus Hamacantha (Zygherpe). The possible phylogenetic significance of apically microspined sigmas is discussed in view of recent findings on the basis of molecular data.

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