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 Keskentassia 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)
• Liben of Czechia (5)
• Billingen of Estonia (1)
• Arenig of Czechia (1), Sweden (4), the United Kingdom (20), United States (1: Nevada)
• Arenigian of the Russian Federation (1)
• Ordovician of Argentina (2), Bolivia (3), Canada (1: Quebec), Czechia (1), Estonia (1), Iran (1), Ireland (1), Kazakhstan (3), New Zealand (1), Norway (5), the Russian Federation (2), Spain (2), Sweden (15), the United Kingdom (5), United States (1: Nevada)
• Cambrian of Antarctica (3), Kazakhstan (9), New Zealand (1), the United Kingdom (3), United States (4: Montana, Nevada)
Total: 103 collections including 104 occurrences