Genus: Riabininohadros ULANSKY, 2015 (nomen dubium)
Etymology: In honor of the Russian paleontologist Riabinin, and Greek, hadros, "bulky, stout, strong, powerful, sturdy."

Species: weberi (RIABININ, 1945) ULANSKY, 2015
Etymology: In honor of G. F. Weber, who found the specimen.
= Orthomerus weberi RIABININ, 1945 (nomen dubium)
= Orthomerus? weberae (RIABININ, 1945) NESOV, 1995 (nomen dubium)

Holotype: CGTL (ZGTM) 5751

Locality: Mount Besh-kosh, apex of the mountain, Crimea, Ukraine.



Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Breakdown as follows.

CGTL (ZGTM) 1/5751: Fragments of femur.

CGTL (ZGTM) 2/5751: Left tibia.

CGTL (ZGTM) 3/5751: Fibula fragment.

CGTL (ZGTM) 4/5751: Left astragalus.

CGTL (ZGTM) 5/5751: Tarsal II.

CGTL (ZGTM) 6/5751: Tarsal III.

CGTL (ZGTM) 7/5751: Metatarsal II

CGTL (ZGTM) 8/5751: Metatarsal III.

CGTL (ZGTM) 9/5751: First phalange of the II digit.

Note: From a marine deposit.