Worthenia (Worthenia) extensus Yin and Yochelson 1983 (snail)

Gastropoda - Trochonematoidea - Lophospiridae

Full reference: H.-F. Yin and E. L. Yochelson. 1983. Middle Triassic Gastropoda from Qingyan, Guizhou Province, China: 1 - Pleurotomariacea and Murchisoniacea. Journal of Paleontology 57(1):162-187

Belongs to Worthenia (Worthenia) according to H.-F. Yin and E. L. Yochelson 1983

Sister taxa: Worthenia (Worthenia) conica, Worthenia (Worthenia) dobrogeana, Worthenia (Worthenia) ecki, Worthenia (Worthenia) esinensis, Worthenia (Worthenia) ligylirae, Worthenia (Worthenia) tuberculifera, Worthenia (Worthenia) xui, Worthenia (Worthenia) zardinii

Type specimen: GQ81032. Its type locality is Yinshanpo KC259c, Qingyan, which is in a Pelsonian/Illyrian marine shale/marl in the Qingyan Formation of China.

Ecology: epifaunal

Distribution: found only at Yinshanpo KC259c, Qingyan

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