New Pliocene hominin remains from the Leado Dido’a area of Woranso-Mille, Ethiopia

Melillo, Stephanie M.; Gibert, Luís; Saylor, Beverly Z.; Deino, Alan L.; Alene, Mulugeta; Ryan, Timothy M.; Haile‐Selassie, Yohannes

doi:10.1016/j.jhevol.2021.102956

Cited by 9 publications

(2 citation statements)

References 78 publications

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“…66 Interestingly, 3.6-3.2 Ma fossils from Woranso-Mille contemporaneous with those from Lomekwi include maxillae with two distinct morphs. 31,68 One morph contains specimens exhibiting a posteriorly positioned zygomatic root and large molars that have been attributed to Au. afarensis, while the other maxillary morph is known from a single specimen (BRT-VP-3/1) preserving an anteriorly positioned zygomatic root and small molar teeth, which is seemingly compatible with the morphology of K. platyops.…”

Section: Testing the Species Hypothesismentioning

confidence: 99%

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A lineage perspective on hominin taxonomy and evolution

Martin,

Leece,

Baker

et al. 2024

Evolutionary Anthropology

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An uncritical reliance on the phylogenetic species concept has led paleoanthropologists to become increasingly typological in their delimitation of new species in the hominin fossil record. As a practical matter, this approach identifies species as diagnosably distinct groups of fossils that share a unique suite of morphological characters but, ontologically, a species is a metapopulation lineage segment that extends from initial divergence to eventual extinction or subsequent speciation. Working from first principles of species concept theory, it is clear that a reliance on morphological diagnosabilty will systematically overestimate species diversity in the fossil record; because morphology can evolve within a lineage segment, it follows that early and late populations of the same species can be diagnosably distinct from each other. We suggest that a combination of morphology and chronology provides a more robust test of the single‐species null hypothesis than morphology alone.

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Section: Testing the Species Hypothesismentioning

confidence: 99%

“…Interestingly, 3.6–3.2 Ma fossils from Woranso–Mille contemporaneous with those from Lomekwi include maxillae with two distinct morphs 31,68 . One morph contains specimens exhibiting a posteriorly positioned zygomatic root and large molars that have been attributed to Au.…”

Section: Testing the Species Hypothesismentioning

confidence: 99%