Traits name details
original description
Bittner, A. (1899). Versteingerungen aus den Trias-Ablagerungen des Süd-Ussuri-Gebietes in der ostsibirischen Küstenprovinz. <em>Mémoires du Comité Géologique.</em> 7(4): 1-35., available online at https://www.biodiversitylibrary.org/page/56641289 page(s): 2-4, pl. 1, figs 12-15 (16, 17, 18) [details]
additional source
Wittenburg, P. von. (1908). Beiträge zur Kenntnis der Werfener Schichten Südtirols. <em>Geologische und palaeontologische Abhandlungen.</em> 8: 251-289., available online at https://www.biodiversitylibrary.org/page/11471085 page(s): 272-273 (24-25), pl. 37 (2), figs 10, 11; note: despite listing Bittner in the synonymy list, Wittenburg attributed the authority of the species to himself (perhaps because he treated it as distinct species) [details]
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