Trilobita - Corynexochida - Leiostegiidae
Synonyms: Eucalymene Lu 1975, Paraszechuanella Liu 1977, Szechuanella Lu 1962
Parent taxon: Leiostegiidae according to Z. Q. Zhou and Z. Y. Zhou 2019
See also Jell and Adrain 2002, Peng 1990 and Sepkoski 2002
Sister taxa: Aedotes, Agerina, Annamitella, Brackebuschia, Chiawangella, Cholopilus, Chosenia, Chuangiella, Chuangioides, Chuangiopsis, Eochuangia, Geminiclavula, Iranaspis, Kepisis, Leiostegium, Linguchuangia, Lloydia, Meropalla, Pagodiidae, Pagodiinae, Plethopeltella, Prochuangia, Reubenella, Schantungia, Tinaspis, Wanshania
Subtaxa: Pseudocalymene quadrata Pseudocalymene transversa
Ecology: nektobenthic carnivore
Distribution:
• Arenig of China (17 collections)
• Dawan of China (2)
• Arenigian of China (4)
• Ordovician of China (21), Iran (3)
• Tremadoc of China (20)
Total: 67 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.