A new species of the genus Manouria (Testudines: Testudinidae) from the Upper Pleistocene of the Ryukyu Islands, Japan

Akio Takahashi, Hiroyuki Otsuka, Ren Hirayama

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

An extinct tortoise known from the uppermost Pleistocene of the Ryukyu Islands is described as the new species, Manouria oyamai (Testudines: Testudinidae) based on the skull, lower jaw and some postcranial elements. The specimens of M. oyamai were newly collected from the latest Pleistocene fissure deposits on Okinawa and Tokunoshima Islands, Ryukyu Islands, Japan. This is the first fossil record of Manouria sensu stricto. Phylogenetic analysis shows that Manouria sensu stricto, comprising M. emys, M. impressa and M. oyamai, is monophyletic. Manouria oyamai flourished in the Central and South Ryukyus until the Late Pleistocene and became extinct there, along with other endemic terrestrial vertebrates, in the latest Pleistocene.

Original languageEnglish
Pages (from-to)195-217
Number of pages23
JournalPaleontological Research
Volume7
Issue number3
Publication statusPublished - 2003 Sep 30
Externally publishedYes

Fingerprint

Testudinidae
Testudines
Ryukyu Archipelago
Pleistocene
Japan
new species
tortoises
jaws
skull
fossils
vertebrates
fossil record
fissure
vertebrate
phylogeny
phylogenetics

Keywords

  • Fossil tortoise
  • Manouria oyamai sp. nov.
  • Phylogeny
  • Pleistocene
  • Ryukyu Islands
  • Testudines
  • Testudinidae

ASJC Scopus subject areas

  • Palaeontology
  • Ecology, Evolution, Behavior and Systematics

Cite this

A new species of the genus Manouria (Testudines : Testudinidae) from the Upper Pleistocene of the Ryukyu Islands, Japan. / Takahashi, Akio; Otsuka, Hiroyuki; Hirayama, Ren.

In: Paleontological Research, Vol. 7, No. 3, 30.09.2003, p. 195-217.

Research output: Contribution to journalArticle

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