Genus: Yanliaomyzon WU, JANVIER & ZHANG, 2023
Etymology: In reference to Yanliao Biota, a Jurassic terrestrial Lagerstatte from north China, where the fossils were discovered and, Greek, myzon, "sucker"; ie. a lamprey.
Species: occisor WU, JANVIER & ZHANG, 2023
Etymology: Latin, occisor, "killer" in reference to teh powerful hunting skill of the species.
Holotype: IVPP V 15830
Locality: Daxishan, Linglongta Town, Jianchang County, Liaoning Province, China.
Horizon: Tiaojishan Formation.
Biostratigraphy:
Age: Oxfordian Stage, Early Malm epoch, Early Late Jurassic.
Material: Nearly complete specimen.
Paratype:IVPP V18956A, B (part and counterpart)
Locality: Nashimen village, Gangou Town, Qinglong County, Hebei Province, China.
Horizon: Tiaojishan Formation.
Biostratigraphy:
Age: Oxfordian Stage, Early Malm epoch, Early Late Jurassic.
Material: Lamprey with head and anterior trunk preserved.
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Species: ingensdentes WU, JANVIER & ZHANG, 2023
Etymology: Latin, ingens, "large" and Latin, dentes, "teeth"; in reference to the large cuspid laminae on the gouging postion.
Holotype: IVPP V16725A, B (part and counterpart)
Locality: Daohugou beds, Wubaiding Village, Reshuitang County, Liaoning Province, China.
Horizoon:
Biostratigraphy:
Age: Callovian Stage, Dogger Epoch, Middle Jurassic.
Material: A complete specimen.
Paratype:
IVPP V16716A,B: An exquisitely preserved toothed oral disk and the laminae on the toungue-like pisiton.