Glaessneropsoidea
Encyclopedia
Glaessneropsoidea is a superfamily of fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

 crab
Crab
True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" , or where the reduced abdomen is entirely hidden under the thorax...

s. They are found in rocks from Late Jurassic
Late Jurassic
The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 161.2 ± 4.0 to 145.5 ± 4.0 million years ago , which is preserved in Upper Jurassic strata. In European lithostratigraphy, the name "Malm" indicates rocks of Late Jurassic age...

 age to Late Cretaceous
Late Cretaceous
The Late Cretaceous is the younger of two epochs into which the Cretaceous period is divided in the geologic timescale. Rock strata from this epoch form the Upper Cretaceous series...

. The 45 species in the superfamily are divided among 11 genera in four families:

Family Glaessneropsidae Patrulius, 1959
  • Ekalakia Bishop, 1976
  • Glaessneropsis Patrulius, 1959
  • Rathbunopon Stenzel, 1945
  • Vectis Withers, 1946
  • Verrucarcinus Schweitzer & Feldmann, 2009

Family Lecythocaridae Schweitzer & Feldmann, 2009
  • Lecythocaris von Meyer, 1860

Family Longodromitidae Schweitzer & Feldmann, 2009
  • Abyssophthalmus Schweitzer & Feldmann, 2009
  • Coelopus Étallon, 1861
  • Longodromites Patrulius, 1959
  • Planoprosopon Schweitzer, Feldmann & Lazǎr, 2007

Family Nodoprosopidae Schweitzer & Feldmann, 2009
  • Nodoprosopon Beurlen, 1928
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