mixopterid

English

mixopterid (plural mixopterids)

(zoology) Any extinct sea scorpion in the family Mixopteridae.
- 2015 September 1, James C. Lamsdell et al., “The oldest described eurypterid: a giant Middle Ordovician (Darriwilian) megalograptid from the Winneshiek Lagerstätte of Iowa”, in BMC Evolutionary Biology‎^[1], volume 15, →DOI:
  Sampling of the Carcinosomatoidea is increased, with ten species included for the carcinosomatid, megalograptid, and mixopterid clades in addition to the three sampled previously.