Rhipidognathidae

Rhipidognathidae is a family of multielement conodonts from the Ordovician.

Rhipidognathidae
Temporal range: Ordovician
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
Family:
Rhipidognathidae[1]

Lindström, 1970 sensu Sweet, 1988
Genera
  • Appalachignathus Bergström et al., 1974
  • Bergstroemognathus Spergali, 1974
  • Rhipidognathus Branson, Mehl and Branson, 1951

Genera

Genera are:

  • Appalachignathus Bergström et al., 1974
  • Bergstroemognathus Spergali, 1974
  • Rhipidognathus Branson, Mehl and Branson, 1951
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gollark: Under *negative* utilitarianism yes, but bad.
gollark: These are all somewhat arbitrary, but something something is-ought problem.
gollark: Utilitarian-ly speaking, most people would prefer not to die and/or this reduces total and average happiness. Rights-based ethical systems would say that you do not have a right to kill people.
gollark: And some technological things have an outsized impact compared to other things.

References

  1. Ordovician Rhipidognathid Conodonts from Australia and Iran. Yong Y. Zhen, Robert S. Nicoll, Ian G. Percival, Mir Alireza Hamedi and Ian Stewart, Journal of Paleontology, Vol. 75, No. 1 (Jan., 2001), pages 186-207 (Stable URL)


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