Stenochirus
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Stenochirus is an extinct genus of decapod crustaceans that lived from the Callovian to Tithonian stages of the Jurassic period. Its fossils have been found in Germany and France.
S. angustus as illustrated in Münster's 1839 paper, originally labelled as Bolina angusta
Comparison of the pincers of S. mayeri (left) and S. angustus (right)
Pseudastacus
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Pseudastacus is an extinct genus of decapod crustaceans that lived during the Jurassic period in Europe, and possibly the Cretaceous period in Lebanon. Many species have been assigned to it, though th
Illustration made in 1835 of the P. mucronatus type specimen
Illustration made in 1878 of the currently-lost P. minor type specimen
Illustrations of P. pustulosus made in 1862