Figure 16 in Taxonomy, biogeography and DNA barcodes of Geodia species (Porifera, Demospongiae, Tetractinellida) in the Atlantic boreo-arctic region

• Main Authors: Cárdenas, Paco, Rapp, Hans Tore, Klitgaard, Anne Birgitte, Best, Megan, Thollesson, Mikael, Tendal, Ole Secher
• Format: Still Image
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Tetractinellida; Geodiidae; Geodia; Arctic; Davis Strait; Spitsbergen
• Online Access: https://dx.doi.org/10.5281/zenodo.5287164; https://zenodo.org/record/5287164

Figure 16. Spicules of Geodia macandrewii Bowerbank, 1858. A–D, H and I, ZMBN 89717, Spitsbergen, 215 m depth. E–G, UPSZMC 78255, Davis Strait, 564 m. A, oxyaster. B, cortical spheroxyasters. A and B have the same scale. C, sterraster. D, microxea. E, orthotriaene. F, mesoprotriaene. G, anatriaene. H, close-up on the hilum of a sterraster. Scale bar: 10 Mm. I, close-up on the warty rosettes of a sterraster. Scale bar: 3 Mm. : Published as part of Cárdenas, Paco, Rapp, Hans Tore, Klitgaard, Anne Birgitte, Best, Megan, Thollesson, Mikael & Tendal, Ole Secher, 2013, Taxonomy, biogeography and DNA barcodes of Geodia species (Porifera, Demospongiae, Tetractinellida) in the Atlantic boreo-arctic region, pp. 251-311 in Zoological Journal of the Linnean Society 169 (2) on page 280, DOI: 10.1111/zoj.12056, http://zenodo.org/record/5287119