Fig. 5. Orbaspina gelasinus n.gen. and n.sp.: a–g, holotype AMF120610, dorsal valve from sample BM 14.85, external view (a), detail of spines along posterior margin (b), detail of larval shell (c), internal view (d), detail of pseudointerarea in plan view (e), and anterior view (f), detail of shell lamina along broken section of anterior margin (g); h–k paratype AMF122212, dorsal valve from sample BM 14.85: external view (h), detail of anterior margin showing frill-like nature of growth lamellae (i), deatil of larval shell (j), detail of post-larval shell dimpling (k). Scale bars = 1 mm (a, d, h); 100 µm (b, c, e, f, j, i); 10 µm (g, k).

Published as part of Valentine, James L. & Brock, Glenn A., 2003, A New Siphonotretid Brachiopod from the Silurian of Central-Western New South Wales, Australia, pp. 231-244 in Records of the Australian Museum 55 (2) on page 238, DOI: 10.3853/j.0067-1975.55.2003.1378, http://zenodo.org/record/10092588