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
Taxonomy and Synonymy:
Hanleyidae Bergenhayn 1955
GENUS: HANLEYA Gray 1857
Hanleya hanleyi (Bean in Thorpe 1844 : Chiton)
= Hanleya debilis Gray J.E. 1857
= Lepidopleurus carinatus Dall 1927
= Hanleya dalli Kaas 1957
Synonyms (=); Dubious synonyms (?); Mis-identifications (!)