Wading a lost southern connection: Miocene Fossils from New Zealand reveal a new lineage of shorebirds (Charadriiformes) linking Gondwanan avifaunas.

Vanesa Lopez De Pietri, Richard Scofield, Alan Tennyson, Suzanne Hand, Trevor H. Worthy

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    An endemic and previously unknown lineage of shorebirds (Charadriiformes: Scolopaci) is described from early Miocene (19–16 Ma) deposits of New Zealand. Hakawai melvillei gen. et sp. nov. represents the first pre-Quaternary record of the clade in New Zealand and offers the earliest evidence of Australasian breeding for any member of the Scolopaci. Hakawai melvillei was a representative of the clade that comprises the South American seedsnipes (Thinocoridae) and the Australian Plains-wanderer (Pedionomidae), and presumed derived features of its postcranial skeleton indicate a sister taxon relationship to Australian pedionomids. Our findings reinforce that terrestrial adaptations in seedsnipes and the Plains-wanderer are convergent as previously proposed, and support an ancestral wading ecology for the clade. Although vicariance events may have contributed to the split between pedionomids and H. melvillei, the proposed sister taxon relationship between these taxa indicates that the split of this lineage from thinocorids must have occurred independently from Australia and Zealandia's separation from the rest of Gondwana.

    Original languageEnglish
    Pages (from-to)603-616
    Number of pages14
    JournalJOURNAL OF SYSTEMATIC PALAEONTOLOGY
    Volume14
    Issue number7
    DOIs
    Publication statusPublished - 2016

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