Echinasteridae ...

• Main Authors: Clark, Roger N., Jewett, Stephen C.
• Format: Text
• Language: unknown
• Published: Zenodo 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Asteroidea; Spinulosida; Echinasteridae; Aleutian Island; Aleutian Islands
• Online Access: https://dx.doi.org/10.5281/zenodo.6197381; https://zenodo.org/doi/10.5281/zenodo.6197381

Key to the family Echinasteridae in the shallow (<20 m) waters of the Aleutian Islands. 1a Marginal plates obvious and arranged in distinct linear series..................................................................................... 2 1b Marginal plates absent or rudimentary ............................................................................................... Aleutihenricia (3) 2a Paired oral plates united at apices by a single much enlarged spine or tooth ................................... Odontohenricia (5) 2b Paired oral plates not united at apices by an enlarged spine or tooth .......................................................... Henricia (8) 3a Abactinal plates bearing 2–4 (rarely 5) spines; adambulacrals with 7–13 spines; color in life solid white................... ..................................................................................................................................................................... A. derjugini 3b Abactinal plates typically with 5 ... : Published as part of Clark, Roger N. & Jewett, Stephen C., 2010, A new genus and thirteen new species of sea stars (Asteroidea: Echinasteridae) from the Aleutian Island Archipelago, pp. 1-36 in Zootaxa 2571 on pages 33-34, DOI: 10.5281/zenodo.294234 ...