Ophiactis quinqueradia Ljungman 1872

This species is recorded from the Caribbean coast of Panama (see Alvarado et al., 2008).

Ljungman, A. V. (1872). Förteckning öfver uti Vestindien af Dr A. Goës samt under korvetten Josefinas expedition i Atlantiska Oceanen samlade Ophiurider. Öfversigt af Kungliga Vetenskapsakademiens Förhandlingar 1871, 6, 615-658.

Alvarado, J.J., F.A. Solis-Marin & C. Ahearn. (2008). Equinodermos (Echinodermata) del Caribe Centroamericano. Rev.Biol.Trop. 56 (Suppl. 3): 37-55.

Pawson, D. L., D. J. Vance, C. G. Messing, F. A. Solis-Marin, and C. L. Mah. (2009). Echinodermata of the Gulf of Mexico, Pp. 1177–1204 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College S.

GenBank

World Ophiroidea Database

LSID urn:lsid:marinespecies.org:taxname:243464

Ophiactis muelleri var. quinqueradia Ljungman, 1872

Five arms. Disk circular to pentagonal (dd = 2.48 to 7.62 mm). Covered by imbricating scales of irregular sizes. Scales at center of disk smaller, the largest on interradial field and mainly on lateral margins of radial shields (Fig. 8a). Sparsely distributed small spines on aboral region of disk. Radial shields long and separated over almost full length by three long scales (Fig. 8f). Ventral interradius covered by small spines on small and imbricating scales (Fig. 8b). Bursal slits long and wide. Oral shields long, diamond-shaped, proximally enlarged and distally narrow (Fig. 8c). Adoral shields large, laterally wide. Two or three small, spatulate, oral papillae, distal papilla broader and proximal papilla slightly curved towards the interior of the mouth (Fig. 8c). Dorsal arm plate wider than long, rectangular, with proximal margin rounded (Fig. 8d). Ventral arm plate hexagonal (Fig. 8e). Five or seven serrated arm spines, with a crown of denticles at tip. First dorsal spine small, second largest, and remaining decrease in size in the ventral direction. Single tentacle scale spatulate (Fig. 8e).

The Bahamas, the islands off southern Florida, off Mississippi, Texas offshore reefs, the Antilles, Mexican Caribbean, Cuba, Belize, Panama, and Brazil (Hendler et al. 1995, Durán-Gonzáles et al. 2005, Hernández-Herrejón et al. 2008). In Brazil from Maranhão, Ceará, Rio Grande do Norte, Pernambuco, Alagoas (Albuquerque 1986, Gondim et al. in press), and Espírito Santo (Tommasi 1970). This is the first record for the State of Paraíba. Intertidal to 640 m. Recorded between 11 and 34 m in the present study.