Miosynechodus

Miosynechodus
Temporal range: Miocene
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: †Hybodontiformes
Family: †Hybodontidae
Genus: †Miosynechodus
Deraniyagala, 1969
Species:
†M. mora
Binomial name
†Miosynechodus mora
Deraniyagala, 1969

Miosynechodus is a dubious genus of extinct ray from the Miocene of Sri Lanka. It was originally identified as a fin spine from a late-surviving hybodontid,[1] but it is now considered to be a myliobatiform tail stinger.[2] A single species is known, Miosynechodus mora, which was named in 1969.[1]

Description

The holotype of Miosynechodus is a single tail stinger from Deraniyagala's personal collection. It measures 41 mm (1.6 in) in overall length, with a width of 10 mm (0.39 in) and a depth of 6 mm (0.24 in), and has five longitudinal grooves.[3]

References

  1. ^ a b Deraniyagala, P.E.P (1969). "A Miocene vertebrate faunule from the Malu Member of Ceylon". Spolia Zeylanica. 31: 551–570.
  2. ^ Cappetta, H. (2012). Handbook of Paleoichthyology. Volume 3E. Chondrichthyes. Mesozoic and Cenozoic Elasmobranchii: Teeth. Munich: Verlag Dr. Friedrich Pfeil. ISBN 978-3-89937-148-2.
  3. ^ Goonatilake, W.L.D.P.T.S.A. (2002). "Miocene vertebrates of Sri Lanka described by P.E.P. Deraniyagala". Loris. 22 (6): 12–18.


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