Leptaena (Leptaena) depressa Sowerby 1824 (lamp shell)

Strophomenata - Strophomenida - Rafinesquinidae

Alternative combinations: Leptaena depressa, Producta depressa

Synonyms: Leptaena venzavensis Rybnikova 1966, Rugoleptaena venzavensis Rybnikova 1966

Belongs to Leptaena (Leptaena) according to M. Rubel 2011

See also Bassett and Cocks 1974, Cocks 1968, Hoel 2005, Kelly 1967, Musteikis and Cocks 2004 and Sowerby 1825

Sister taxa: Leptaena (Leptaena) altera, Leptaena (Leptaena) bergstroemi, Leptaena (Leptaena) diademata, Leptaena (Leptaena) enucleata, Leptaena (Leptaena) haverfordensis, Leptaena (Leptaena) infrunita, Leptaena (Leptaena) ordovicica, Leptaena (Leptaena) purpurea, Leptaena (Leptaena) rhomboidalis, Leptaena (Leptaena) salopiensis, Leptaena (Leptaena) semiovalis, Leptaena (Leptaena) strandi, Leptaena (Leptaena) tenuistrata, Leptaena (Leptaena) tenuistriata, Leptaena (Leptaena) trifidum, Leptaena (Leptaena) valentia, Leptaena (Leptaena) ventricosa

Subtaxa: Leptaena depressa kathekta Leptaena depressa visbyensis

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Type specimens:

  • Leptaena (Leptaena) depressa: NHM B60649. Its type locality is Dudley, Wenlock Limestone, which is in a Homerian marine horizon in the Wenlock Limestone Formation of the United Kingdom.
  • Leptaena venzavensis:

Ecology: stationary epifaunal suspension feeder


• Silurian of Belarus (2 collections), Canada (12: Northwest Territories, Nova Scotia), the Czech Republic (2), Estonia (3), Ireland (1), Kazakhstan (1), Lithuania (9), Mongolia (2), Norway (2), the Russian Federation (2), Spain (1), Sweden (17), the United Kingdom (18), United States (5: Wisconsin)

Total: 77 collections including 79 occurrences

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Specimen images are retrieved through the ePANDDA API.

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