Trilobita - Phacopida - Calymenidae
Synonym: Pharostoma Hawle and Corda 1847
Parent taxon: Pharostomatinae according to A. W. Owen and D. L. Bruton 1980
See also Jell and Adrain 2002, Sepkoski 2002, Siveter 1977 and Warburg 1925
Sister taxon: Xuanenia
Subtaxa: Pharostoma foveolatum Pharostoma leptaenarum Pharostoma narinosum Pharostoma nieszkowskii Pharostoma obtusum Prionocheilus foveolatum Prionocheilus mendax Prionocheilus obtusus Prionocheilus pulchra Prionocheilus verneuili
Type: Prionocheilus verneuili
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Algeria (1 collection), Belgium (1), Canada (1: Quebec), China (1), the Czech Republic (12), France (7), Latvia (2), Morocco (4), Norway (18), Portugal (5), the Russian Federation (3), Spain (17), Sweden (14), the United Kingdom (6)
• Llandeilo of China (3)
• Arenig of France (1), Morocco (2), Spain (1)
Total: 99 collections including 105 occurrences
Specimen images are retrieved through the ePANDDA API.
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