Selindeochrea ternaria
publication ID |
https://doi.org/ 10.4202/app.00289.2016 |
persistent identifier |
https://treatment.plazi.org/id/03AD87A8-FFF1-6D4D-FF06-FC63601B877B |
treatment provided by |
Felipe |
scientific name |
Selindeochrea ternaria |
status |
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Selindeochrea ternaria (Missarzhevsky in Rozanov et al., 1969)
Fig. 73 View Fig .
Material.—Over ten internal moulds, including figured SMNH X5998–6001, from samples 1/29.2 (section 1, Fig. 4 View Fig ), 3/12.2, K2/25, K2/26 (section 3, Fig. 3), and 5a/18.5 (section 96-5a, Fig. 2 View Fig ), from the lower Emyaksin and Medvezhya formations, Anabar Uplift, Siberian Platform, Russia. Correlated with the upper Fortunian Stage and lower part of Cambrian Stage 2.
Description.—Tubes almost straight or somewhat curved, torted clockwise or counterclockwise, narrow, longitudinally folded in laterally elongate lobes separated by wide V-shaped grooves. Inner surface of the tubes (as replicated by internal moulds) with growth lines.
Remarks.—The narrow blade-like lobes are somewhat similar to the longitudinal keels described above in other species of Selindeochrea . Given that proposed similarity and lack of any prominent transverse sculptural elements, the fossil is tentatively attributed to Selindeochrea .
Stratigraphic and geographic range.— Upper Fortunian Stage and lower part of Cambrian Stage 2 of the Siberian Platform and South China.
Genus Anabarites Missarzhevsky in Voronova and Missarzhevsky, 1969
Type species: Anabarites trisulcatus Missarzhevsky in Voronova and Missarzhevsky, 1969; Anabarites trisulcatus Zone , lower Cambrian (lower Fortunian Stage); mouth of the Kotujkan River, Siberia, Russia.
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