Hindeodus is an extinct genus of conodonts in the family Anchignathodontidae. The generic name Hindeodus is a tribute to George Jennings Hinde.[5]

Temporal range: Early Carboniferous-Early Triassic
345.3–251.3 Ma
Scientific classification

Rexroad & Furnish, 1964[1]
  • H. capitanensis[2]
  • H. cristulus
  • H. gulloides[3]
  • H. parvus
  • H. permicus[4]
  • H. wordensis

Biostratigraphic significance

Hindeodus parvus is a species of index fossil whose first appearance in the fossil beds at Meishan, Changxing County, Zhejiang marks the base of the Triassic, and thus the boundary between the Triassic and Permian.

The International Commission on Stratigraphy (ICS) has assigned the First Appearance Datum of Hindeodus parvus as the defining biological marker for the start of the Induan, 252.2 ± 0.5 million years ago, the first stage of the Triassic.


  1. Conodonts from the Pella Formation (Mississippian), South-Central Iowa. Carl B. Rexroad and W. M. Furnish, Journal of Paleontology, Vol. 38, No. 4 (Jul., 1964), pages 667-676 (Stable URL, retrieved 07 June 2016)
  2. Bruce R. Wardlaw; Merlynd K. Nestell (2015). "Conodont faunas from a complete basinal succession of the upper part of the Wordian (Middle Permian, Guadalupian,West Texas)". Micropaleontology. 61 (4–5): 257–292.
  3. Guadalupian (Middle Permian) Conodonts of Sponge-Bearing Limestones from the Margins of the Delaware Basin, West Texas. Kozur H. and Mostler H., Geologia Croatica, 1995, 48(2), page 107-128. (abstract, retrieved 08 June 2016)
  4. Yi-chun Zhang; Shu-zhong Shen; Dong-xun Yuan; Charles M. Henderson; Junichi Tazawa (2012). "Implications of Kungurian (Early Permian) conodonts from Hatahoko, Japan, for correlation between the Tethyan and international timescales". Micropaleontology. 58 (6): 505–522.
  5. Pander Society Newsletter #39, July 2007 (retrieved 1st May 2016)

Further reading

  • Yin Hongfu, Z. K., Tong Jinnan, Yang Zunyi, and Wu Shunbao (2001). "The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary." Episodes 24(2): 12.
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