Key to Irish Chitons
Species Description
| Stenosemus albus (Linnaeus 1767) | [back to the Key] | [next] | [previous] |
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| Length: 12-17 mm, up to 22 mm
Tegmentum colour: Uniform creamy white to very light tan, sometimes with concentric orange or brown streaks. Some specimens have black mineral deposits, particulary on the posterior edges of the valves (or completely covering the valves and girdle). Sculpture: smooth and glossy to the naked eye, end valves and lateral areas with several concentric growth rings Girdle: coloured like tegmentum, covered in small scales Bathymetric range: shallow subtidal to 1000m (most common from 10-100 m) Geographic range: An artic-boreal species, found in the North Atlantic and North Pacific. In the northern Atlantic Ocean, found from Norway to Spain. It the Pacific, it has been recorded from Alaska to California, and from northern Russian and Japan. It’s presence in Ireland is as yet unconfirmed. Similar species: Other Leptochiton spp.
Taxonomy and Synonymy: FAMILY: Ischnochitonidae (Dall 1889) SUBFAMILY: ISCHNOCHITONINAE GENUS: ISCHNOCHITON (Gray 1847) Stenosemus albus (Linnaeus 1767 : Chiton)
Original name: Chiton albus Linnaeus, 1767 Synonymised names: Chiton albus Linnaeus, 1767 · unaccepted (original combination) Chiton aselloides R. T. Lowe, 1825 · unaccepted > junior subjective synonym Chiton minimus Gmelin, 1791 · unaccepted (dubious synonym) Chiton oryza Spengler, 1797 · unaccepted (dubious synonym) Chiton sagrinatus Couthouy, 1838 · unaccepted (synonym) Chondropleura alba (Linnaeus, 1767) · unaccepted Ischnochiton (Lepidopleuroides) albus (Linnaeus, 1767) · unaccepted > superseded combination Ischnochiton albus (Linnaeus, 1767) · unaccepted Ischnochiton albus var. infuscatus (Sparre-Schneider, 1881) · unaccepted > junior subjective synonym Lepidochiton albus (Linnaeus, 1767) · unaccepted Lepidochitona alba (Linnaeus, 1767) · unaccepted Lepidopleuroides albus (Linnaeus, 1767) · unaccepted Leptochiton albus (Linnaeus, 1767) · unaccepted Lophyrochiton albus (Linnaeus, 1767) · unaccepted Lophyrochiton albus var. infuscatus (Sparre-Schneider, 1881) · unaccepted > junior subjective synonym Lophyrus albus (Linnaeus, 1767) · unaccepted Lophyrus albus var. infuscata Sparre-Schneider, 1881 · unaccepted (synonym) Trachydermon albus (Linnaeus, 1767) · unaccepted
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