Fig. 9. Zoroasterid asteroid Zoroaster marambioensis sp. nov., Eocene, Cucullaea I Allomember, La Meseta Formation of Seymour Island, Antarctica. Volume rendering captions from microCT (SOM 2). A. IAA-Pi-373-E; general actinal surface reconstruction (A1); detailed arm structure on actinal side A2), see primary and secondary spines preserved in detail and last ossicles of 4th actinolateral row (arrows). general abactinal surface reconstruction (A3) transverse view of disc structures, see orals and oral spines on disc center (A4). B. IAA-Pi-373-D, general reconstructions of abactinal (B1) and actinal B2) surfaces. C. IAA-Pi-373-G; reconstructions of abactinal (C1) and actinal (C2) surfaces; structure detail on inclined side of arm (C3); transverse section of a ray (C4).

Published as part of Palópolo, Evangelina E., Brezina, Soledad S., Casadio, Silvio, Griffin, Miguel & Santillana, Sergio, 2021, A new zoroasterid asteroid from the Eocene of Seymour Island, Antarctica, pp. 301-318 in Acta Palaeontologica Polonica 66 (2) on page 312, DOI: 10.4202/app.00714.2019, http://zenodo.org/record/12196830