Microcleidus was a plesiosaur, a type of marine reptile. It was not a dinosaur, though it coexisted with many dinosaurs. The first Microcleidus fossil was discovered in 1911.

All the Microcleidus illustrations below were collected from the internet. Enjoy and explore:

Microcleidus was described by the following scientific paper(s):
  • A. Nel, X. Martínez-Delclòs, and J. C. Paicheler, M. Henrotay. 1993. Les "Anisozygoptera" fossiles Phylogenie et classification (Odonata). Martinia 3:1-311
  • D. M. S. Watson. 1909. On some reptilian remains from the Trias of Lossiemouth (Elgin). Quarterly Journal of the Geological Society of London 65:440
  • F. Grossmann. 2007. The taxonomic and phylogenetic position of the Plesiosauroidea from the Lower Jurassic Posidonia Shale of south-west Germany. Palaeontology 50(3):545-564