REPORT ON THE ASTEROIDEA. XXX1 
Genus 3. Movraster, n. gen. 
Genus 4. Astropecten, Linck. 
Genus 5. Psilaster, Sladen. 
Genus 6. Phowxaster, Sladen. 
Genus 7. Bathybiaster, Danielssen and Koren. 
Genus 8. Jlyaster, Danielssen and Koren. 
Subfamily 2. Lurpiin, Sladen, 1887. 
Astropectinide: with the infero-marginal plates separated from the adambulacral plates 
by a small intermediate plate throughout the ray. Marginal and adambulacral plates 
correspondent in length:and number. 
Genus 1. Jaidia, Forbes. 
Genus 2. Platasterias, Gray. 
For a Synopsis of the Subfamilies and Genera included in the Family Astropectinide, 
see p. 175, 
é Family [V. PENTAGONASTERID4S, Perrier, 1884. 
Phanerozonate Asterids with thick and massive marginal plates, which may be either 
naked, or bear granules or spiniform papille. Disk largely developed. Apical plates often 
increscent. Abactinal surface tessellate, with rounded, polygonal, or stellate plates, which 
may be tabulate or paxilliform. ‘Actinal interradial areas largely developed, covered with 
pavement-like plates, which may be naked, or covered with membrane, or may bear 
granules or spinelets. 
Subfamily 1. PenraGonasTERIn», Sladen, 1887. 
Pentagonasteridz: with the abactinal area paved with rounded, polygonal, or paxilliform 
plates. Granules or spinelets when present co-ordinated. 
Genus 1. Pentagonaster, Linck. 
Genus 2. Astrogoniwm, Miiller and Troschel, emend. 
Genus 3. Calliaster, Gray. 
Genus 4. Chitonaster, Sladen. 
Genus 5. Calliderma, Gray. 
Genus 6. Iconaster, n. gen. 
Genus 7. Gnathaster, n. gen. 
Genus 8. Nymphaster, Sladen. 
Genus 9. Paragonaster, Sladen. 
Genus 10. Mediaster, Stimpson. 
Genus 11. Nectria, Gray. 
