Trilobita - Asaphida - Asaphidae
Synonym: Lannacus Tjernvik 1956
Parent taxon: Isotelinae according to O. A. Hoel 1999
See also Fortey 1975, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Golasaphus, Hoekaspis, Isoteloides, Isotelus, Megistaspis, Notopeltis
Subtaxa: Megalaspides dalecarlicus Megalaspides nericiensis Megalaspides striatellus
Type: Megalaspis dalecarlicus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Volkhov of Sweden (3 collections)
• Arenigian of China (3)
• Dawan of China (2)
• Arenig of China (43), Sweden (4)
• Ordovician of China (2), Estonia (2), Iran (2), Norway (25), the Russian Federation (6), Sweden (11), United States (1: Nevada)
Total: 104 collections including 112 occurrences
Specimen images are retrieved through the ePANDDA API.
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