Leptaena (Leptaena) Dalman 1828 (lamp shell)

Strophomenata - Strophomenida - Rafinesquinidae

Parent taxon: Leptaena according to M. Rubel 2011

Sister taxa: Leptaena (Ygdrasilomena), Leptaena acuticuspidata, Leptaena aequalis, Leptaena alliku, Leptaena amelia, Leptaena analogaeformis, Leptaena arberae, Leptaena argentina, Leptaena borghiana, Leptaena boyaca, Leptaena contermina, Leptaena convexa, Leptaena cooperi, Leptaena croma, Leptaena crypta, Leptaena cryptoides, Leptaena dejecta, Leptaena delicata, Leptaena electra, Leptaena ennessbe, Leptaena fremonti, Leptaena gibbosa, Leptaena holcrofti, Leptaena indigena, Leptaena ingrica, Leptaena kentuckiana, Leptaena lappa, Leptaena lappina, Leptaena lemniscata, Leptaena limbifera, Leptaena minuta, Leptaena moniquensis, Leptaena nanaformis, Leptaena nassichuki, Leptaena odeon, Leptaena oklahomensis, Leptaena orhor, Leptaena parvirugata, Leptaena parvissima, Leptaena paucirugata, Leptaena poulseni, Leptaena praequalis, Leptaena provellerosa, Leptaena purpurea, Leptaena quadrata, Leptaena rara, Leptaena rhomboidalis, Leptaena richmondensis, Leptaena rugaurita, Leptaena rugosa, Leptaena salopiensis, Leptaena semiradiata, Leptaena sperion, Leptaena tenuissimestriata, Leptaena valida, Leptaena veldrensis, Leptaena vellerosa, Leptaena ventricosa, Leptaena ventricosa, Leptaena wesenbergensis, Leptaena zeta, Leptaena ziegleri, Orhoria lappina, Orhoria lappa, Kurnamena taxilla, Kurnamena spumifera, Kurnamena acuta, Kurnamena palmrei, Kurnamena laterorugata, Kurnamena rugosoides, Similoleptaena friedrichi, Similoleptaena tarwanpensis, Similoleptaena planitia, Similoleptaena undosa, Similoleptaena pertenuis, Similoleptaena crassorugata, Leptaenopoma trifidium

Subtaxa: Leptaena (Leptaena) altera Leptaena (Leptaena) bergstroemi Leptaena (Leptaena) depressa Leptaena (Leptaena) diademata Leptaena (Leptaena) enucleata Leptaena (Leptaena) haverfordensis Leptaena (Leptaena) infrunita Leptaena (Leptaena) ordovicica Leptaena (Leptaena) purpurea Leptaena (Leptaena) rhomboidalis Leptaena (Leptaena) rugosoides Leptaena (Leptaena) salopiensis Leptaena (Leptaena) semiovalis Leptaena (Leptaena) strandi Leptaena (Leptaena) tenuistrata Leptaena (Leptaena) tenuistriata Leptaena (Leptaena) trifidum Leptaena (Leptaena) valentia Leptaena (Leptaena) ventricosa

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Type: Leptaena rugosa

Ecology: stationary epifaunal suspension feeder

Distribution:

• Devonian of Ukraine (1 collection)

• Whitwellian of Canada (3: Northwest Territories)

• Jaani of Estonia (18), Lithuania (4)

• Silurian of Belarus (2), Canada (10: Northwest Territories, Nova Scotia), Czechia (2), Estonia (27), Ireland (1), Kazakhstan (1), Latvia (3), Lithuania (9), Mongolia (2), Norway (21), the Russian Federation (2), Spain (1), Sweden (17), the United Kingdom (71), United States (6: California, Wisconsin), Venezuela (1)

• Ordovician to Silurian of the Russian Federation (1)

• Ordovician of China (8), Czechia (2), Estonia (9), Latvia (4), Lithuania (3), Norway (10), the Russian Federation (1), Sweden (11), the United Kingdom (20), United States (6: Alaska, Nevada, New York, Pennsylvania, Virginia)

Total: 277 collections including 289 occurrences

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