Mongolepidida

Mongolepidida Temporal range: Sandbian–Sheinwoodian PreꞒ Ꞓ O S D C P T J K Pg N
Scales of Mongolepis rozmanae (A–D), Teslepis jucunda (E–G), Sodolepis lucens (H–J) and Rongolepis cosmetica (K–M)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	†Mongolepidida Karatajūtė-Talimaa, Novitskaya, Rozman & Sodov, 1990
Subgroups
See text

Mongolepidida is an order of primitive chondrichthyans (cartilaginous fishes) that lived during the Ordovician and Silurian periods of Asia and North America. They are only known from scales, so their appearance is largely unknown. The oldest of these scales, belonging to Solinalepis levis, have been dated back to the Sandbian age of the Ordovician, making mongolepidids some of the oldest chondrichthyans known to date.

Taxonomy

Based on Andreev et al. (2016) and Andreev et al. (2020):

• Family †Mongolepididae Karatajūtė-Talimaa et al., 1990
  • †Mongolepis Karatajūtė-Talimaa et al., 1990
  • †Rongolepis Sansom et al., 2000
  • †Sodolepis Karatajūtė-Talimaa & Novitskaya, 1997
  • †Taklamakanolepis Andreev et al., 2020
  • †Teslepis Karatajūtė-Talimaa & Novitskaya, 1992
• Family †Shiqianolepidae Sansom et al., 2000
  • †Chenolepis Sansom et al., 2000
  • †Shiqianolepis Sansom et al., 2000
  • †Tielikewatielepis Andreev et al., 2020
  • †Xiaohaizilepis Andreev et al., 2020
  • †Xinjiangichthys Wang et al., 1998
• Family incertae sedis
  • †Solinalepis Andreev et al., 2016

References

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