Iyuku

‭(‬Eye-yu-ku‭).
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Lilah Turner

Evolutionary Biologist

Lilah Turner investigates how prehistoric animals adapted to changing environments, offering insights into evolution's mechanisms.

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Name

Iyuku ‭(‬Hatchling‭)‬.

Phonetic

‭(‬Eye-yu-ku‭).

Named By

Catherine A.‭ ‬Forster,‭ ‬William J.‭ ‬de Klerk,‭ ‬Karen E.‭ ‬Poole,‭ ‬Anusuya Chinsamy-Turan,‭ ‬Eric M.‭ ‬Roberts‭ & ‬Callum F.‭ ‬Ross‭ ‬-‭ ‬2022.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Ornithopoda,‭ ‬Iguanodontia.

Diet

Herbivore.

Species

I.‭ ‬raathi‭

Size

Uncertain due to varying degrees of preservation and juvenile nature of known remains.

Known locations

South Africa‭ ‬-‭ ‬Kirkwood Formation.

Time Period

Early Cretaceous.

Fossil representation

Partial remains of many juvenile individuals.

In Depth

       In the closing years of the twentieth century a bone bed containing the remains of at least twenty-seven juvenile dinosaurs was excavated in South Africa.‭ ‬The‭ ‬2022‭ ‬study describing the genus‭ (‬Forster et al.‭) ‬considers these juveniles to represent everything from hatchlings to subadults,‭ ‬Possibly located at a nesting site.‭

       The‭ ‬2022‭ ‬description of Iyuku considered Iyuku to represent an iguanodontian dinosaur,‭ ‬but was loathed to elaborate further on the basis that these dinosaurs were juveniles.‭ ‬However one of the palaeontologists involved in this description,‭ ‬Karen Poole,‭ ‬had earlier in‭ ‬2015‭ ‬wrote a dissertation regarding the juveniles as dryosaurid ornithopods,‭ ‬a position that she‭ ‬repeated in a separate paper published later in‭ ‬2022.

Further reading

-‭ ‬Phylogeny and Biogeography of Iguanodontian Dinosaurs,‭ ‬with Implications from Ontogeny and an Examination of the Function of the Fused Carpal-Digit I Complex‭ (‬PhD thesis‭)‬.‭ ‬-‭ ‬The George Washington University.‭ ‬pp.‭ ‬1‭–‬207.‭ ‬-‭ ‬Karen E.‭ ‬Poole‭ ‬-‭ ‬2015.

-‭ ‬Iyuku raathi,‭ ‬a new iguanodontian dinosaur from the Early Cretaceous Kirkwood Formation,‭ ‬South Africa.‭ ‬-‭ ‬The Anatomical Record‭ ‬-‭ ‬Catherine A.‭ ‬Forster,‭ ‬William J.‭ ‬de Klerk,‭ ‬Karen E.‭ ‬Poole,‭ ‬Anusuya Chinsamy-Turan,‭ ‬Eric M.‭ ‬Roberts‭ & ‬Callum F.‭ ‬Ross‭ ‬-‭ ‬2022.

-‭ ‬Placing juvenile specimens in phylogenies:‭ ‬An ontogenetically sensitive phylogenetic assessment of a new genus of iguanodontian dinosaur from the Early Cretaceous Kirkwood Formation,‭ ‬South Africa.‭ ‬-‭ ‬The Anatomical Record.‭ ‬-‭ ‬Karen Poole‭ ‬-‭ ‬2022.

SPECIES SPOTLIGHT