Clarella venusta ...
Clarella venusta (Billings, 1872) (Fig. 16) Anapolenus venustus Billings, 1872: 474-476, fig.11;1874: 73, 74, fig.42. Clarella venusta – Hutchinson 1962: 111, 112, pl. 17, figs 7-10. — Martin & Dean 1988: 19, pl. 1, fig. 13. — Whittington et al. 1997: figs 308.1a, b. — Fletcher 2006: pl. 34, fig...
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| Format: | Text |
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Zenodo
2022
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| Online Access: | https://dx.doi.org/10.5281/zenodo.7477309 https://zenodo.org/doi/10.5281/zenodo.7477309 |
| Summary: | Clarella venusta (Billings, 1872) (Fig. 16) Anapolenus venustus Billings, 1872: 474-476, fig.11;1874: 73, 74, fig.42. Clarella venusta – Hutchinson 1962: 111, 112, pl. 17, figs 7-10. — Martin & Dean 1988: 19, pl. 1, fig. 13. — Whittington et al. 1997: figs 308.1a, b. — Fletcher 2006: pl. 34, fig. 11 (partim). LECTOTYPE. — Specimen GSC No. 284a, Geological Survey of Canada, Ottawa, Canada, designated as lectotype by Whittington et al. (1997). From Chapel Arm, Trinity Bay, Newfoundland, Canada. DIAGNOSIS. — Glabella not reaching anterior margin; L4 short; eye lobes from L1 to S4; pygidium with two pairs of short marginal spines. MATERIAL EXAMINED. — Three cranidia of Clarella venusta (NFM F-3069; NFM F-3548; NFM F-3657). All specimens range between 16.25 and 16.27 m (Fig. 2) within the Manuels River Formation, type locality, Conception Bay South, Newfoundland, Canada. OCCURRENCE. — Clarella venusta is rare in the middle Cambrian and only reported from southeastern Canada, eastern Newfoundland, in the ... : Published as part of Unger, Tanja, Hildenbrand, Anne, Stinnesbeck, Wolfgang & Austermann, Gregor, 2022, Biostratigraphy and taxonomy of polymerid trilobites of the Manuels River Formation (Drumian, middle Cambrian), Newfoundland, Canada, pp. 1051-1087 in Geodiversitas 44 (33) on page 1075, DOI: 10.5252/geodiversitas2022v44a33, http://zenodo.org/record/7477657 ... |
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