Cyrtoctenus dewalquei Fraipont 1889 (eurypterid)

Eurypterida - Hibbertopteridae

originally Eurypterus (?) Dewalquei Fraipont 1889; Kjellesvig-Waering (1948, 1958) tentatively assigned to Adelophthalmus; Tetlie and Van Roy accept assignment to Cyrtoctenus

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Full reference: J. Fraipont. 1889. Euryptérides nouveaux du Dévonien supérieur de Belgique (Psammites du Condroz). Annales de la Société Géologique de Belgique 17:53-62

Belongs to Cyrtoctenus according to S.J. Braddy et al. 2023

See also Størmer and Waterston 1968

Sister taxa: Cyrtoctenus bambachi, Cyrtoctenus caledonicus, Cyrtoctenus dicki, Cyrtoctenus ostraviensis, Cyrtoctenus peachi, Cyrtoctenus wittebergensis

Ecology: nektobenthic carnivore

Distribution: found only at Eurypterids at Pont-de-Bonne-Modave (Devonian of Belgium)

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