Genus: Iyuku FORSTER, de KLERK, POOLE, CHINSAMY-TURAN, ROBERTS & ROSS, 2022
Etymology: Xhosa for "hatchling," referring to the immature satus of the specimens.

Species: raathi FORSTER, de KLERK, POOLE, CHINSAMY-TURAN, ROBERTS & ROSS, 2022
Etymology: In honor of Dr. Michael Raath for his substantial contributions to the paleontology of southern Africa, including crucial early paleontological work in the Kirkwood Formation.

Holotype: AM 6150

Locality: Kirkwood Lookout loality, Sundays River, 2.65 km south of Kirkwood, Eastern Cape Province, South Africa.

Horizon: Kirkdwood Formation.

Biostratigraphy:

Age: Valanginian Stage, Middle Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: A parital, semi-articulated skeleton that preserves part of the skull, vertebral centra and arches, scapulae, pelvic girdle, both hind limbs and ribs.

Referred material:

AM 6004, 6005, 6008-6010, 6013, 6019, 6060, 6119, 6163: Femora.

AM 6012,6014, 6015, 6016-6018, 6030, 6089, 6090: Tibiae.

AM 6016: Tibia, fibula, astragalus, metatarsals.

AM 6020: Exoccipital.

AM 6021, 6022, 6056, 6154: Maxillae.

AM 6026: Dorsal vertebral neural arch.

AM 6027-6029, 6035: Dorsal rib.

AM 6031: Dorsal vertebral centrum.

AM 6032: Pubis.

AM 6033: Pedal ungual.

AM 6034: Sacral centrum.

AM 6046, 6101: Ulnae.

AM 6052: Dentary and splenial.

AM 6053: Maxilla, dentary and splenial.

AM 6054, 6094-6097, 6173: Humerii.

AM 6063, 6102, 6175, 6176: Scapulae.

AM 6065: Astragalus.

AM 6066, 6187: Cervical vertebrae.

AM 6067: Sternal plate.

AM 6070, 6088: Caudal vertebrae.

AM 6077: Frontal, postorbital, and exoccipital.

AM 6093: Premaxillae.

AM 6098, 6099: Ischia.

AM 6100, 6189: Fibula.

AM 6103: Postorbital.

AM 6104: Frontal.

AM 6107, 6108, 6118: Quadrates.

AM 6109: Surangualr and angular.

AM 6110: Surangulars.

AM 6111, 6120, 6153, 6155: Dentarys.

AM 6121, 6174: Metatarsal.

AM 6122: Maxilla, frontal, and post orbital.

AM 6172: Radius.

AM 6187: Sacral centrum.