New hominin postcranial fossils from Kromdraai, South Africa (2014-2025).

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Anatomical record (Hoboken, N.J. : 2007) Pub Date : 2026-08-02 DOI:10.1002/ar.70300

Jeremy M DeSilva, Catherine K Miller, Marine Cazenave, Gideon Chinamatira, Habiba Chirchir, Ashley S Hammond, Tracy L Kivell, Klara Komza, Ellison J McNutt, Kimberleigh Tommy, John F Thackeray, Zewdi Tsegai, Alessandra Vecino Gazabón, José Braga, Bernhard Zipfel

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Abstract

Kromdraai, South Africa is the type locality of Paranthropus robustus. Renewed paleontological exploration of the site has yielded over 50 hominin fossils since 2014, including 21 postcranial elements. These finds nearly triple the number of postcranial remains previously known from Kromdraai. We describe here four partial humeri, five manual phalanges, two femora, two patellae, and eight pedal elements. Twenty of the fossils derive from Unit P, which dates to over 2.0 million years old and includes craniodental material from Paranthropus and Homo. One fossil, a patella, may derive from the stratigraphically older Unit O. Interestingly, while more than half of the craniodental remains from Unit P are identified as juvenile, all of the postcrania are adult. Furthermore, though none of the postcrania are directly associated with craniodental finds, we tentatively propose taxonomic assignments for some of these fossils, including two humeri and two femora that may belong to Paranthropus.

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南非Kromdraai发现的新人族后颅骨化石（2014-2025）。

南非的Kromdraai是傍人粗壮种的典型产地。自2014年以来，对该遗址重新进行的古生物学探索已经发现了50多块古人类化石，其中包括21块后颅骨化石。这些发现几乎是之前在克罗姆德拉伊发现的颅骨残骸数量的三倍。我们在此描述4个部分肱骨，5个手指骨，2个股骨，2个髌骨和8个踏板。其中20块化石来自P单元，它可以追溯到200多万年前，包括来自类人猿和人属的颅齿材料。一个髌骨化石可能来自地层上更古老的o单元。有趣的是，尽管P单元一半以上的颅齿化石被鉴定为幼年化石，但所有的后颅化石都是成年化石。此外，虽然没有颅后颅骨与颅齿的发现直接相关，但我们暂时提出了其中一些化石的分类归属，包括两个肱骨和两个股骨，可能属于傍人。

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Anatomical record (Hoboken, N.J. : 2007)

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