Fig. 5 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; Bathurst Island; Cornwallis Island; Northwest Territories
• Online Access: https://dx.doi.org/10.5281/zenodo.13275193; https://zenodo.org/doi/10.5281/zenodo.13275193

Fig. 5. Line drawings of four monograptid species to compare thecal characteristics. A. Monograptus? cf. ayagusensis (Obut and Sobolevskaya, 1966) compressed mature specimen from Twilight Creek (TC), Bathurst Island, TC 27.5 m (Melchin 1989) showing thecae very similar to those seen in Cochlograptus veles, GSC34926. B. Cochlograptus veles (Richter, 1871), compressed mature specimen from Twilight Creek, Bathurst Island, TC 27 m (Melchin 1989), ROM46027. C. Testograptus testis incomptus (Lenz and Melchin, 1991) holotype, compressed specimen from Rookery Creek (RC), Cornwallis Island, RC 284 m (Lenz and Melchin 1991: figs. 7B, 17I), GSC95423. D. Monograptus flemingii (Salter, 1852), compressed specimen from Prairie Creek (PC), Northwest Territories, PC 210 m (Lenz 1988: pl. 1: A), GSC91494. ... : 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 457, DOI: 10.4202/app.2008.0307, http://zenodo.org/record/13275176 ...