Species: matsubaraetoheorum KUBOTA, KOBAYASHI & IKEDA, 2024
Etymology: In honors of Mrs. Kaoru Matsubara and Takaharu Ohe, who are the first discoveriers of a block including a part of Hypnovenator matsubaraetoheorum holotype specimen.

Holotype: MNHAH D1033340

Locality: Hyogo Prefectural Tamba Namikimichi Central Part at Nishikosa, Tambasasayama City, Hyogo Prefecture, Honshu Island, Japan.

Horizon: Ohyamashiomo Formation, Sasayama Group.

Biostratigraphy:

Age: Middle Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Late Early Cretaceous

Material: 3 caudal vertebrae, 2 dorsal ribs, 38 gastalia, a chevron, left humerus, left radius, left ulna, left carpal, left metacarpals I to III, the distal end of right metacarpal I, left manual phalanges I-1, I-2, II-1, II-3, and III-1 to 4, the distal part of left femur, left tibia and fibula missing teh mid-shaft, teh distal end of right tibia, left astragalus, the distal end of right astragalus, the proximal parts of left metatarsals II to V, the proximal ends of right metatarsals II and IV, right pedal phalanges II-3, III-1 to 4, and IV-1 to 5.

Hypnovenator matsubaraetoheorum modified from KUBOTA, KOBAYASHI & IKEDA, 2024: A) Forlimb block with humerus, radius, ulna, metacarpal I, II, III, phalanges I 1, II 1, II 2, ungual I and II: B) heel block with tibia, fibula and metatarsals IV, V.

Hypnovenator matsubaraetoheorum modified from KUBOTA, KOBAYASHI & IKEDA, 2024: A) left metatarsal II, IV, V; B) closeup of manus; C) close up of left manual phalax I-1 in dorsal view; D) closeup o fremoved fragmentary left manual phalanx II-2.

Hypnovenator matsubaraetoheorum modified from KUBOTA, KOBAYASHI & IKEDA, 2024: A) distal caudal vertebra with chevron in left lateral view; )B left humerus in anterior view; C) left ulna in medial view; D) left radius in medial view; E) left manus, missing the proximal ends of metacarpals i-III and manual phalanges II-2 to 3 in lateral view; F) left distal carpal and proximal ends of metacarpals I-III in ventral view. Distal part of the left femur in posterior; G) and distal and H) distal views; () proximal part of left fibula in lateral views; J) proximal part of left tibia in lateral view; D) distal parts of tibia dn fibula, astragalus, and calcaneum from the left side in anterior view; L) proximal half of left metatarsals II-IV in anterior view; M) right pedal phalanges II-3, III-1 to 4, and IV-1 to 5 in dorsal view; N) right pedal phalanx II-3 in lateral views.

Left manus in A) left lateral; B) right lateral and C) dorsal views.

Hypnovenator matsubaraetoheorum skeleton modified from KUBOTA, KOBAYASHI & IKEDA, 2024,