MolluscaBase name details
original description
Kojumdgieva, E. (1968). Predstavitelite na rod <i>Congeria</i> v neogena na Severozapadna Bulgariya i tyakhnata filogeniya i paleoekologiya [The representatives of the genus <i>Congeria</i> in the Neogene of northwest Bulgaria and their phylogeny and paleoecology]. <em>Izvestiya na Geologicheskiya Institut, Seriya Paleontologiya.</em> 17: 173-227. page(s): 206, 212-213, 217, pl. 4, fig. 10 [details] Available for editors [request]
From editor or global species database
Status The parent species is currently ranked as subspecies itself, rendering the rank and status of trapezoidalis questionable. It is not mentioned in the literature after the original description. Status and classification uncertain, revision required! [details]
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