Scientia Marina, Vol 66, No 1 (2002)

Stelletta ruetzleri sp. nov., a new ancorinid from the Southwestern Atlantic (Porifera, Astrophorida)


https://doi.org/10.3989/scimar.2002.66n169

Beatriz Mothes
Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, Brazil

Carla Maria M. Silva
Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, Brazil

Abstract


Stelletta ruetzleri sp. nov., a new ancorinid sponge from the Southwestern Atlantic (Porifera, Astrophorida), collected at 128 and 200 m depth off Rio Grande do Sul State coast, Brazil (31°20´-32°24´S/49°52´-50°15´W), is described and illustrated with SEM images of the spicules. The new species is based on the presence of one category of oxeas, dichotriaenes, oxyasters and spheroxyasters.

Keywords


Porifera; Ancorinidae; Stelletta; continental shelf; Southwestern Atlantic; taxonomy

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