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Key to Irish Chitons
Species Description


Hanleya hanleyi (W. Bean, 1844) [back to the Key] | [next] | [previous]
Length: to 22 mm long

Tegmentum colour: uniform creamy white to light tan, occasionally with brown mineral deposits.

Sculpture: uniformly sculpted with numerous large granules, arranged randomly on the lateral areas of the intermediate valves. There is a distinct jugal area with fine longitudinal riblets; the ribs are larger and set wider apart in the pleural areas.

Girdle: covered in randomly distributed spicules that stick out from the body.

Bathymetric range: 15 – 555 m

Geographic range: North Atlantic Ocean, from Labrador (Canada), to the Canary Islands, and in the Mediterranean Sea. Likely under-recorded in Ireland with records from Northern Ireland only to date.


Taxonomy and Synonymy:

ORDER: Lepidopleurida Thiele, 1909

FAMILY: Hanleyidae Bergenhayn, 1955


Hanleya hanleyi (W. Bean, 1844)


List of synonymised names available at:

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