Bathydorus laniger and Docosaccus maculatus (Lyssacinosida: Hexactinellida)

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Kahn, A. S., Geller, J. B., Reiswig, H. M., & Smith Jr., K. L. (2013). Bathydorus laniger and Docosaccus maculatus (Lyssacinosida: Hexactinellida): Two new species of glass sponge from the abyssal eastern north Pacific ocean. Zootaxa, 3646(4), 386-400.
TitleBathydorus laniger and Docosaccus maculatus (Lyssacinosida: Hexactinellida)
AuthorsA. Kahn, J. Geller, H. Reiswig, K. Smith Jr
AbstractTwo new species of glass sponge were discovered from the abyssal plain 200 km west of the coast of California (Station M). The sponges have similar gross morphology-an unusual plate-like form with basalia stilting the body above soft abyssal sediments. Bathydorus laniger sp. n. differs from its congeners by the presence of dermal and atrial stauractins; it is also supported by smooth hypodermal pentactins and hypoatrial hexactins. Microscleres include oxyhexasters and oxyhemihexasters. Docosaccus maculatus sp. n. contains large hexactins (>1 cm), characteristic of the genus. Megas-cleres include dermal hexactins, atrial pentactins, and choanosomal hexactins and diactins. Microscleres include oxy-tipped hemihexasters and floricomes. Several features serve to differentiate this species from its only known congener. Copyright © 2013 Magnolia Press.
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NoteInvertebrates, doi: 10.11646/zootaxa.3646.4.4