Lingulata - Lingulida - Elkaniidae
Parent taxon: Linguloidea according to J. Hansen and L. E. Holmer 2011
See also Holmer 1993, Puura and Holmer 1993, Ulrich and Cooper 1936 and Williams et al. 2000
Sister taxa: Aulonotretidae, Bistramia, Dysoristidae, Eoobolidae, Kyrshabaktellidae, Laima, Lingulasmatidae, Lingulellotretidae, Lingulidae, Lingulipora, Obolidae, Oxlosia, Paterulidae, Pseudolingulidae, Timalina, Tomasina, Zhanatellidae
Subtaxa: Broeggeria Elkania Elkanisca Lamanskya Monobolina Plicarmus Pseudodicellomus Tilasia Volborthia
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Permian of United States (1: Oklahoma collection)
• Devonian of United States (1: Wyoming)
• Dobrotivian of Spain (4)
• Volkhov of Estonia (1)
• Arenigian of the Russian Federation (1)
• Arenig of Sweden (4), the United Kingdom (20), United States (1: Nevada)
• Ordovician of Argentina (1), Canada (1: Quebec), Estonia (1), Ireland (1), Kazakhstan (3), New Zealand (1), Norway (3), the Russian Federation (2), Spain (2), Sweden (12), the United Kingdom (2), United States (1: Nevada)
• Cressagian of the United Kingdom (3)
• Tremadoc of Argentina (1), Bolivia (3), the Czech Republic (1), Iran (1), Norway (2), Sweden (3)
• Cambrian of Antarctica (3), Kazakhstan (8), New Zealand (1), the United Kingdom (3), United States (4: Montana, Nevada)
Total: 96 collections including 97 occurrences