Stenothecoides cf. elongata ( Walcott, 1884 )
publication ID |
https://doi.org/ 10.4202/app.00928.2021 |
persistent identifier |
https://treatment.plazi.org/id/88295366-FFA7-4F1D-F514-3AD86790FA83 |
treatment provided by |
Felipe |
scientific name |
Stenothecoides cf. elongata ( Walcott, 1884 ) |
status |
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Stenothecoides cf. elongata ( Walcott, 1884)
Fig. 7 View Fig .
Material.— Total 3 specimens (two articulated shells and one isolated valve), ( ROMIP 66248–66250 ) and more than 160 uncatalogued specimens from Locality 3, Odaray Mountain , Yoho National Park, Canada, middle Cambrian .
Description.—Specimens from Locality 3 are closely similar to S. elongata in shell outline ( Fig. 10 View Fig ) but are much smaller than the largest of the Utah specimens ( Fig. 9 View Fig ) and so may represent juveniles or a separate species. Most specimens are articulated and show valve inequality varies from moderate ( Fig. 7A View Fig ) to scarcely detectable. None show any radial fabric but may be too coarsely silicified to retain such details. Auricles in the few isolated valves recovered seem less well developed than is typical for S. elongata .
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