6. D. groehni V. Alekseev in Alekseev et Alekseev, 2019

Holotype depository: CCGG in GPIH.

References: Alekseev & Alekseev 2019: 3 (description).

Comment: Placement of the genus in the tribe Gempylodini is tentative, because of the presence of several contradictory characters in the morphology of this specimen. External similarity with representatives of the tribe may be due to convergent evolution this case.