Trilobita - Phacopida - Calymenidae
Alternative spelling: Calymene (Gravicalymene)
Synonym: Apocalymene Chatterton and Campbell 1980
Full reference: J. Shirley. 1936. Some British trilobites of the family Calymenidae. Quarterly Journal of the Geological Society of London 92:384-421
Parent taxon: Calymenidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002, Siveter 1977, Smith and Ebach 2020 and Talent 1963
Sister taxa: Calymenesum, Calymeninae, Flexicalymeninae, Linguocalymene, Liocalymene, Neseuretus, Nipponocalymene, Onnicalymene, Papillicalymene, Pharostomatinae, Platycalymene, Pradoella, Protocalymene, Reacalymene, Reedocalymene, Reedocalymeninae, Salterocoryphe, Spathacalymene, Tapinocalymene
Subtaxa: Calymene (Gravicalymene) angustior Gravicalymene affinis Gravicalymene arcuata Gravicalymene asperula Gravicalymene australis Gravicalymene bakeri Gravicalymene capitovata Gravicalymene changyangensis Gravicalymene convolva Gravicalymene cootamundrensis Gravicalymene coppinsensis Gravicalymene deani Gravicalymene eunoa Gravicalymene hagani Gravicalymene hamlagdadica Gravicalymene hetera Gravicalymene hornyi Gravicalymene inflata Gravicalymene interjecta Gravicalymene jugifera Gravicalymene kilmorensis Gravicalymene lardeuxi Gravicalymene longmenshanensis Gravicalymene maura Gravicalymene pola Gravicalymene pontilis Gravicalymene quadrata Gravicalymene quadrilobata Gravicalymene reperta Gravicalymene scutula Gravicalymene susi Gravicalymene tedderensis Gravicalymene teddersensis Gravicalymene truncatus Gravicalymene vaccina Gravicalymene xibieheense Gravicalymene yamakoshii Gravicalymene zhenzishanensis
Type: Gravicalymene convolva
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Australia (33 collections), Austria (1), China (3), the Czech Republic (15), Italy (2), Morocco (5), New Zealand (1), Uzbekistan (1), Vietnam (4)
• Whitwellian of Canada (1: Northwest Territories)
• Silurian to Devonian of Australia (1)
• Silurian of Australia (10), Canada (3: Quebec), the Czech Republic (2), United States (2: Arkansas)
• Uhaku of Norway (1)
• Ordovician of Australia (2), Canada (2: Quebec), the Czech Republic (4), Ireland (2), Norway (5), the United Kingdom (22), United States (26: Iowa, Kentucky, Pennsylvania, Tennessee)
Total: 148 collections including 152 occurrences
Specimen images are retrieved through the ePANDDA API.
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