Fig. 3 in Convergent evolution of two Silurian graptolites ...

• Main Authors: Lenz, Alfred C., Melchin, Michael J.
• Format: Still Image
• Language: unknown
• Published: Zenodo 2008
• Subjects: Biodiversity; Taxonomy; Animalia; Hemichordata; Pterobranchia; Monograptidae; Cochlograptus; Testograptus; Cornwallis Island
• Online Access: https://dx.doi.org/10.5281/zenodo.13275185; https://zenodo.org/doi/10.5281/zenodo.13275185

Fig. 3. Silurian graptolite Testograptus testis (Barrande, 1850). All collections from section RC01−2, 2.5 m, Rookery Creek, Cornwallis Island. A. Largest specimen, stereopair profile and ventro−lateral view, GSC34914; A1, profile view; A2, ventro−lateral view showing long, laterally projecting thecal spines. B. Stereopair of specimen with very strong dorsal flexure and prominent keel−like protuberance at point of flexure, GSC34915. C. Lateral and ventro−distal view of specimen, GSC34916; C1, with strongly dorsally flexed nema; C2, nema strongly ventrally flexed. D. Various views of specimen GSC34917; D1, dorso−lateral view stereopair; D2, ventro−lateral view stereopair showing prominent keel−like protuberance at point of flexure; D3, ventral view; D4, dorso−lateral view, V−shaped protuberance at point of flexure. E. Steropair of specimen with strong ventral flexure and prominent protuberance distal of sicular tip, GSC34918. F. Dorso−lateral and lateral views of specimen, GSC34919; F1, dorso−lateral view ... : Published as part of Lenz, Alfred C. & Melchin, Michael J., 2008, Convergent evolution of two Silurian graptolites, pp. 449-460 in Acta Palaeontologica Polonica 53 (3) on page 455, DOI: 10.4202/app.2008.0307, http://zenodo.org/record/13275176 ...