TABLE 1 in New species and occurrences of deep-sea Asteroidea (Forcipulatacea, Valvatida, Paxillosida) from the Pacific continental margin of Costa Rica

TABLE 1. Stars of Costa Rica. SpeciesDepth in mOther occurrenceReferencefamilyAcanthaster ellisishallowEastern tropical PacificMaluf (1988)AcanthasteridaeAmpheraster? (SIO-BIC E7370)950CR onlyMah herein and “Patiria” in Alvarado et al. (2022) and Seid et al. 2025PedicellasteridaeAsteropsis cariniferashallowIndo-West PacificAlvarado et al. (2017)AsteropseidaeAstrolirus panamensis2149west coast to AlaskaBrisingidaAstropecten benthophilus1408Eastern tropical PacificAlvarado (2010), Alvarado et al. (2022), Ludwig 1905AstropectinidaeAstropecten sulcatus121Eastern tropical PacificAlvarado (2010), Alvarado et al. (2022), Ludwig 1905AstropectinidaeBathyceramaster elegans1790–3335Eastern tropical and North PacificAlvarado et al. (2022), Mah 2016GoniasteridaeBenthopecten spinuliger1789–1847CR onlyAlvarado (2010), Alvarado et al. (2022),BenthopectinidaeCaymanostella davidalani1002–1887CR onlyShen et al. 2024CaymanostellidaeCaymanostella scrippscognaticausa990–1010CR onlyShen et al. 2024CaymanostellidaeCeramaster patagonicus18–1125widely occurringMah 2011, Maluf 1988GoniasteridaeCoronaster marchenusshallowEastern tropical PacificAlvarado (2010)AsteriidaeEremicaster pacificus2149North PacificAlvarado (2010)PorcellanasteridaeFreyella?1895–1908widely occurringSeid et al. (2025)FreyellidaeHenricia sp.1071widely occurringAlvarado et al. (2022)EchinasteridaeHippasteria glyphanos sp. nov.1052CR onlyMah hereinGoniasteridae (Hippasterinae)Hippasteria phrygiana910 (10– 1221)widely occurringAlvarado et al. (2022), Mah hereinGoniasteridae (Hippasterinae)Hippasteria turgida sp. nov.1412CR onlyMah hereinGoniasteridae (Hippasterinae)Hydrasterias improvisa1618–2418CR onlyAlvarado (2010), Ludwig 1905PedicellasteridaeHymenaster purpureus?2690Hawaiian IslandsMah herein, Fisher (1906)PterasteridaeLeiaster teres?shallowEastern tropical PacificiNaturalistOphidiasteridaeLeptychaster inermis1271–1408Eastern tropical PacificAlvarado (2010), Alvarado et al. (2022), Ludwig 1905AstropectinidaeLinckia columbiaeshallowEastern tropical PacificAlvarado (2010)OphidiasteridaeLinckia multiforashallowIndo-West PacificiNaturalistOphidiasteridaeLuidia armata95Eastern tropical PacificMaluf (1988)LuidiidaeLuidia sp.shallowwidely occurringiNaturalistLuidiidaeMediaster tenellus380–1829 m (997 m in CR)widely occurringMah 2016GoniasteridaeMithrodia bradleyishallowEastern tropical PacificAlvarado (2010), Chacón-Monge et al., 2021MithrodiidaeNarcissia gracilisshallowEastern tropical PacificAlvarado (2010)GoniasteridaeNidorellia armatashallowEastern tropical PacificAlvarado (2010), Chacón-Monge et al., 2021OreasteridaeNymphaster diomedeae702–1618Eastern tropical Pacifichere; Mah 2016GoniasteridaePauliastra aenigmashallow/ mesophoticCR onlyMah 2021AsterodiscididaePectinaster agassizi1789–1951CR onlyAlvarado (2010), Ludwig 1905BenthopectinidaePentaceraster cumingishallowEastern tropical Pacific, Hawaiian IslandsAlvarado (2010), Chacón-Monge et al., 2021OreasteridaePersephonaster armiger1951CR onlyAlvarado (2010), Ludwig 1905AstropectinidaePharia pyramidatashallowEastern tropical PacificiNaturalist, Alvarado (2010), Chacón-Monge et al., 2021OphidiasteridaePhataria unifascialisshallowEastern tropical PacificiNaturalist, Alvarado (2010), Chacón-Monge et al., 2021OphidiasteridaePillsburiaster ernesti2149Costa Rica, Cocos IslandMah 2016GoniasteridaePorcellanaster ceruleus1408–2149widely occurringAlvarado (2010), Alvarado et al. (2022),PorcellanasteridaePseudarchaster sp.1119–1281widely occurringAlvarado et al. (2022)PseudarchasteridaePteraster diaphanus1246–1408CR onlyAlvarado (2010), Ludwig 1905PterasteridaeRadiaster brocha sp. nov.1878CR onlyMah hereinRadiasteridaeSclerasterias heteropaes80–88Eastern tropical and North PacificAlvarado (2010)AsteriidaeSolaster arx sp. nov.1000CR onlyMah hereinSolasteridaeTamaria obstipashallowEastern tropical PacificAlvarado (2010), Ziesenhenne 1942OphidiasteridaeThrissacanthias penicillatus55–1503Eastern tropical and North PacificAlvarado et al. (2022)AstropectinidaeXyloplax princealberti1800–2000CR, central PacificPayne et al. 2024Xyloplacidae ......continued on the next page