Clypeaster subdepressum (Gray, 1825) accepted as Clypeaster subdepressus (Gray, 1825) (basis of record)
Diadema saxatile (Linnaeus, 1758) accepted as Diadema setosum (Leske, 1778) (basis of record)
Echinolampas oviformis (Gmelin, 1791) accepted as Echinolampas ovata (Leske, 1778) (basis of record)
Laganum decagonale (Blainville, 1827) (basis of record)
Leiocidaris annulifera (A. Agassiz, 1873) accepted as Prionocidaris baculosa annulifera (A. Agassiz, 1873) (source of synonymy)
Leiocidaris baculosa (Lamarck, 1816) accepted as Prionocidaris baculosa (Lamarck, 1816) (source of synonymy)
Phyllacanthus annulifera A. Agassiz, 1873 accepted as Prionocidaris baculosa annulifera (A. Agassiz, 1873) (source of synonymy)
Phyllacanthus baculosa (Lamarck, 1816) accepted as Prionocidaris baculosa (Lamarck, 1816) (source of synonymy)
Phyllacanthus verticillata (Lamarck, 1816) accepted as Plococidaris verticillata (Lamarck, 1816) (source of synonymy)
Prionocidaris baculosa (Lamarck, 1816) (additional source)
Prionocidaris verticillata (Lamarck, 1816) accepted as Plococidaris verticillata (Lamarck, 1816) (additional source)

Cargados Carajos for Astropyga radiata (Leske, 1778) 
Cargados Carajos for Cidaris baculosa (Lamarck, 1816) 
Cargados Carajos for Cidaris verticillata (Lamarck, 1816) 
Cargados Carajos for Echinometra lucunter (Linnaeus, 1758)  (inaccurate)
Cargados Carajos for Laganum decagonale (Blainville, 1827) 
Cargados Carajos for Maretia alta A. Agassiz, 1864 
Cargados Carajos for Maretia planulata (Lamarck, 1816) 
Cargados Carajos for Parasalenia gratiosa A. Agassiz, 1863 
Cargados Carajos for Salmacis bicolor L. Agassiz in L. Agassiz & Desor, 1846 
Chagos for Brissus unicolor (Leske, 1778) 
Chagos for Cidaris baculosa (Lamarck, 1816) 
Chagos for Cidaris metularia (Lamarck, 1816) 
Chagos for Echinometra lucunter (Linnaeus, 1758)  (inaccurate)
Chagos for Echinoneus cyclostomus Leske, 1778 
Chagos for Echinostrephus molaris (Blainville, 1825) 
Chagos for Echinothrix desori (L. Agassiz in L. Agassiz & Desor, 1846) 
Chagos for Echinothrix turcarum Peters, 1853 
Chagos for Parasalenia gratiosa A. Agassiz, 1863 
Chagos for Phyllacanthus annulifera A. Agassiz, 1873 
Seychelles for Clypeaster humilis (Leske, 1778) 
Seychelles for Clypeaster scutiformis Lamarck, 1816 
Seychelles for Echinometra lucunter (Linnaeus, 1758)  (inaccurate)
Seychelles for Tripneustes angulosus (Leske, 1778) 
Seychellois Exclusive Economic Zone for Astropyga radiata (Leske, 1778) 
Seychellois Exclusive Economic Zone for Cidaris baculosa (Lamarck, 1816) 
Seychellois Exclusive Economic Zone for Cidaris metularia (Lamarck, 1816) 
Seychellois Exclusive Economic Zone for Clypeaster subdepressum (Gray, 1825) 
Seychellois Exclusive Economic Zone for Diadema saxatile (Linnaeus, 1758) 
Seychellois Exclusive Economic Zone for Echinolampas oviformis (Gmelin, 1791) 
Seychellois Exclusive Economic Zone for Echinometra oblonga (Blainville, 1825) 
Seychellois Exclusive Economic Zone for Echinothrix desori (L. Agassiz in L. Agassiz & Desor, 1846) 
Seychellois Exclusive Economic Zone for Fibularia volva L. Agassiz in L. Agassiz & Desor, 1847a 
Seychellois Exclusive Economic Zone for Laganum decagonale (Blainville, 1827) 
Seychellois Exclusive Economic Zone for Lovenia subcarinata Gray, 1851 
Seychellois Exclusive Economic Zone for Maretia planulata (Lamarck, 1816) 
Seychellois Exclusive Economic Zone for Salmacis bicolor L. Agassiz in L. Agassiz & Desor, 1846 
Seychellois Exclusive Economic Zone for Toxopneustes pileolus (Lamarck, 1816) 

 Description

 for Laganum decagonale (Blainville, 1827)

Description: test flat, thin, fragile, decagonal or almost rounded; margin thin; madreporic pores in a sinuous groove; ... [details]

 Distribution

 for Actinometra multiradiata (Linnaeus, 1758)

Also recorded from 'Coin Peros' by Bell (1909) - locality can't be traced. Probably a synonym of Comatula ... [details]

 Distribution

 for Antedon palmata (Müller, 1841)

Also distributed in Ceylon (Chadwick, 1908). [details]

 Distribution

 for Cidaris baculosa (Lamarck, 1816)

Also recorded from 'Coin Peros' by Bell (1909) - locality can't be traced. [details]

 Distribution

 for Cidaris verticillata (Lamarck, 1816)

Also recorded from 'Coin Peros' by Bell 1909 <495> - locality can't be traced. [details]

 Remark

 for Laganum decagonale (Blainville, 1827)

Type data: status and whereabouts undetermined. Type locality: Waigeo Island (as l'ile Waigou), Indonesia (Rowe & ... [details]

 Remark

 for 

Type species of the genus Pseudomaretia Koehler, 1914 (=Nacospatangus (Pseudomaretia) Koehler, 1914 (Rowe & Gates, ... [details]

 Remark

 for Ophiothrix triloba von Martens, 1870

Syntypes Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts No. 2455, Museum für ... [details]

 Synonymy

 for Cidaris baculosa (Lamarck, 1816)

Clark cited in Bell 1909: C. baculosa moved to genus Phyllacanthus [details]

 Synonymy

 for Cidaris verticillata (Lamarck, 1816)

Clark cited in Bell 1909 [details]

 Synonymy

 for Ophiothrix triloba von Martens, 1870

to Ophiothrix propinqua [details]

 Synonymy

 for Phyllacanthus verticillata (Lamarck, 1816)

Mortensen gives Plococidaris vertillata as valid name for Phyllacanthus verticillata. [details]