PBDB

Opinions from W. B. Clark and M. W. Twitchell 1915

'Agassizia belongs to Spatangidae'
'Amblypygus belongs to Nucleolitidae'
'Amblypygus merrilli belongs to Amblypygus'
'Amphidetus gothicus is recombined as Echinocardium gothicus'
'Amphiura belongs to Amphiuridae'
'Amphiura sanctaecrucis belongs to Amphiura'
'Amphiuridae belongs to Zygophiurae'
'Ananchytes belongs to Echinocorythidae'
'Ananchytes cinctus is recombined as Cardiaster cinctus'
'Ananchytes cruciferus is recombined as Trematopygus cruciferus'
'Ananchytes ovalis belongs to Ananchytes'
'Ananchytes texana belongs to Ananchytes'
'Arbaciadae is corrected as Arbaciidae and belongs to Arbacina'
'Arbacina was reranked as a suborder and belongs to Diademoidea'
'Aspidura belongs to Amphiuridae'
'Aspidura idahoensis belongs to Aspidura'
'Asterias belongs to Asteridae'
'Asterias dubium belongs to Asterias' according to Whitfield 1877
'Asterias dubium belongs to Asterias'
'Asterias lincki belongs to Asterias' according to Sears 1905
'Asterias lincki belongs to Asterias'
'Asterias remondii belongs to Asterias'
'Asterias stellionura belongs to Asterias' according to Sears 1905
'Asterias stellionura belongs to Asterias'
'Asteriidae belongs to Cryptozonia'
'Asternata belongs to Atelostomata'
'Astrodapsis belongs to Scutellidae'
'Astrodapsis antiselli belongs to Astrodapsis'
'Astrodapsis arnoldi belongs to Astrodapsis'
'Astrodapsis fernandoensis belongs to Astrodapsis'
'Astrodapsis jacalitosensis belongs to Astrodapsis'
'Astrodapsis merriami is recombined as Scutella merriami'
'Astrodapsis tumidus belongs to Astrodapsis'
'Astrodapsis whitneyi belongs to Astrodapsis'
'Astropecten belongs to Astropectinidae'
'Astropecten montanus belongs to Astropecten'
'Astropectinidae belongs to Phanerozoma'
'Atelostomata belongs to Irregularia'
'Atheneidae belongs to Phanerozoma'
'Botriopygus belongs to Nucleolitidae'
'Botriopygus alabamensis belongs to Botriopygus' according to Clark 1891
'Botriopygus alabamensis belongs to Botriopygus'
'Bourgueticrinidae belongs to Pinnata'
'Bourgueticrinus alabamensis belongs to Bourgueticrinus' according to De Loriol 1882
'Bourgueticrinus alabamensis is recombined as Rhizocrinus alabamensis'
'Breynella belongs to Cassidulidae'
'Breynella gregoryi belongs to Breynella'
'Brissopsis belongs to Spatangidae'
'Brissopsis poriferus belongs to Brissopsis' according to Ravenel 1848
'Brissopsis poriferus is recombined as Agassizia porifera'
'Brissopsis rimulatus belongs to Brissopsis' according to Ravenel 1848
'Brissopsis rimulatus belongs to Brissopsis'
'Calycina was reranked as a suborder and belongs to Diademoidea'
'Cardiaster belongs to Echinocorythidae'
'Cardiaster curtus belongs to Cardiaster'
'Cardiaster smocki belongs to Cardiaster'
'Cassidulidae belongs to Asternata'
'Cassidulus belongs to Cassidulidae'
'Cassidulus (Pygorhynchus) alabamensis belongs to Cassidulus (Pygorhynchus)'
'Cassidulus (Pygorhynchus) carolinensis belongs to Cassidulus (Pygorhynchus)'
'Cassidulus (Pygorhynchus) georgiensis belongs to Cassidulus (Pygorhynchus)'
'Cassidulus (Rhynchopygus) depressus belongs to Cassidulus (Rhynchopygus)'
'Cassidulus (Rhynchopygus) holmsei belongs to Cassidulus (Rhynchopygus)'
'Cassidulus (Rhynchopygus) ravenli belongs to Cassidulus (Rhynchopygus)'
'Cassidulus abruptus belongs to Cassidulus' according to Conrad 1860
'Cassidulus abruptus belongs to Cassidulus'
'Cassidulus aequoreus belongs to Cassidulus'
'Cassidulus amygdala belongs to Cassidulus' according to Desor 1858
'Cassidulus amygdala belongs to Cassidulus'
'Cassidulus berryi belongs to Cassidulus'
'Cassidulus californicus belongs to Cassidulus'
'Cassidulus hemisphericus belongs to Cassidulus'
'Cassidulus intermedius belongs to Cassidulus'
'Cassidulus micrococcus belongs to Cassidulus'
'Cassidulus porrectus belongs to Cassidulus'
'Cassidulus stantoni belongs to Cassidulus'
'Cassidulus subconicus belongs to Cassidulus'
'Cassidulus subquadratus belongs to Cassidulus'
'Catopygus belongs to Cassidulidae'
'Catopygus conradi belongs to Catopygus' according to Couper 1850
'Catopygus conradi is recombined as Cassidulus (Pygorhynchus) conradi'
'Catopygus oviformis belongs to Catopygus'
'Catopygus patelliformis belongs to Catopygus' according to Bouvé 1851
'Catopygus patelliformis is recombined as Cassidulus (Rhynchopygus) patelliformis'
'Catopygus pusillus belongs to Catopygus'
'Catopygus williamsi belongs to Catopygus'
'Chiridota is corrected as Chirodota and belongs to Synaptidae'
'Cidaridae belongs to Cidaroidea'
'Cidaris belongs to Cidaridae'
'Cidaris alabamensis belongs to Cidaris' according to Morton 1846
'Cidaris alabamensis belongs to Cidaris'
'Cidaris alabamensis belongs to Cidaris'
'Cidaris blandis belongs to Cidaris' according to De Gregorio 1890
'Cidaris blandis belongs to Cidaris'
'Cidaris branneri belongs to Cidaris'
'Cidaris carolinensis belongs to Cidaris'
'Cidaris diatretum is recombined as Pseudodiadema diatretum'
'Cidaris dilleri belongs to Cidaris'
'Cidaris dixiensis belongs to Cidaris' according to Cragin 1893
'Cidaris dixiensis belongs to Cidaris'
'Cidaris georgiana belongs to Cidaris'
'Cidaris hemigranosus belongs to Cidaris' according to Shumard 1860
'Cidaris hemigranosus is recombined as Leiocidaris hemigranosus'
'Cidaris merriami belongs to Cidaris'
'Cidaris mitchelli belongs to Cidaris'
'Cidaris modestus belongs to Cidaris'
'Cidaris nahalakensis belongs to Cidaris'
'Cidaris ordinatus belongs to Cidaris'
'Cidaris perdubius belongs to Cidaris'
'Cidaris plumasensis belongs to Cidaris'
'Cidaris pratti belongs to Cidaris'
'Cidaris shastensis belongs to Cidaris'
'Cidaris smithi belongs to Cidaris'
'Cidaris taylorensis belongs to Cidaris'
'Cidaris tehamaensis belongs to Cidaris'
'Cidaris texanus belongs to Cidaris'
'Cidaris thouarsii belongs to Cidaris' according to Valencienncs 1846
'Cidaris thouarsii belongs to Cidaris'
'Cidaris walcotti belongs to Cidaris'
'Cidarites mortoni belongs to Cidarites' according to Conrad 1850
'Cidarites mortoni is recombined as Cidaris mortoni'
'Cidarites splendens is recombined as Cidaris splendens'
'Cidaroidea belongs to Regularia'
'Clypeaster belongs to Clypeasteridae'
'Clypeaster bowersi belongs to Clypeaster'
'Clypeaster florealis is recombined as Cassidulus florealis'
'Clypeaster gabbii belongs to Clypeaster' according to Meek 1864
'Clypeaster gabbii belongs to Clypeaster' according to Cooper 1888
'Clypeaster gabbii is recombined as Echinarachnius gabbi' according to Stefanini 1911
'Clypeaster gabbii is recombined as Scutella gabbi'
'Clypeaster geometricus is recombined as Pygurus geometricus'
'Clypeasteridae is corrected as Clypeasterina and belongs to Gnathostomata'
'Clypeastres is corrected as Clypeasteridae and belongs to Clypeasterina'
'Clypeastrina belongs to Gnathostomata'
'Coelopleurus belongs to Arbaciidae'
'Coelopleurus aldrichi belongs to Coelopleurus'
'Coelopleurus sloani belongs to Coelopleurus'
'Coptosoma belongs to Cyphosomatidae'
'Cottaldia belongs to Diadematidae'
'Cottaldia rotula belongs to Cottaldia'
'Cryptozonia belongs to Asteroidea'
'Cyphosoma belongs to Cyphosomatidae'
'Cyphosoma mortoni is recombined as Coptosoma mortoni'
'Cyphosoma speciosum is recombined as Coptosoma speciosum'
'Cyphosoma volanum belongs to Cyphosoma' according to Cragin 1893
'Cyphosoma volanum belongs to Cyphosoma'
'Cyphosomatidae belongs to Diademina'
'Dendraster belongs to Fibulariidae'
'Dendraster arnoldi belongs to Dendraster'
'Dendraster coalingaensis belongs to Dendraster'
'Dendrocrinida was reranked as the suborder Dendrocrinoidea and belongs to Inadunata'
'Diadema texanum belongs to Diadema' according to Roemer 1852
'Diadema texanum is recombined as Pseudodiadema texanum'
'Diadematidae belongs to Diademina'
'Diademina belongs to Diademoidea'
'Diademoidea belongs to Regularia'
'Dicyclica belongs to Crinoidea'
'Diplopodia belongs to Diplopodiidae'
'Diplopodia streeruvitzi belongs to Diplopodia' according to Cragin 1893
'Diplopodia streeruvitzi belongs to Diplopodia'
'Diplopodia taffi belongs to Diplopodia' according to Gragin 1893
'Diplopodia taffi belongs to Diplopodia'
'Diplopodiidae belongs to Diademina'
'Diplothecanthus belongs to Clypeasteridae'
'Diplothecanthus dalli belongs to Diplothecanthus'
'Discoidea haldermani is recombined as Oligopygus haldermani'
'Dumblea symmetrica is recombined as Pedinopsis symmetrica'
'Dumblea symmetrica belongs to Dumblea' according to Craigin 1893
'Echinanthus belongs to Clypeasteridae'
'Echinanthus georgiensis belongs to Echinanthus'
'Echinarachinus brewerianus is recombined as Clypeaster brewerianus'
'Echinarachnius belongs to Scutellidae'
'Echinidea was reranked as the suborder Echinina and belongs to Diademoidea'
'Echinobrissus belongs to Nucleolitidae'
'Echinobrissus angustatus belongs to Echinobrissus'
'Echinobrissus expansus belongs to Echinobrissus' according to Clark 1891
'Echinobrissus expansus belongs to Echinobrissus'
'Echinobrissus texanus belongs to Echinobrissus'
'Echinocardium belongs to Spatangidae'
'Echinocardium deperessum belongs to Echinocardium'
'Echinocidaris belongs to Arbaciidae'
'Echinocorythidae belongs to Sternata'
'Echinocyamus belongs to Fibulariidae'
'Echinocyamus huxleyanus belongs to Echinocyamus' according to Meyer 1886
'Echinocyamus huxleyanus belongs to Echinocyamus'
'Echinocyamus meridionalis belongs to Echinocyamus'
'Echinocyamus parvus belongs to Echinocyamus' according to Emmonds 1858
'Echinocyamus parvus belongs to Echinocyamus'
'Echinocyamus texanus belongs to Echinocyamus'
'Echinocyamus vaughani belongs to Echinocyamus'
'Echinolampas belongs to Cassidulidae'
'Echinolampas aldrichi belongs to Echinolampas'
'Echinolampas appendiculatus belongs to Echinolampas' according to Emmons 1858
'Echinoneides is corrected as Echinoneidae and belongs to Asternata'
'Echinus belongs to Triplechinidae'
'Echinus was reranked as the class Echinoidea and belongs to Echinodermata'
'Echinus droebachiensis is recombined as Strongylocentrotus droebachiensis'
'Echinus infulatus belongs to Echinus' according to Morton 1833
'Echinus infulatus is recombined as Coelopleurus infulatus'
'Echinus pentaporus belongs to Echinus' according to Gmelin 1788
'Echinus pentaporus is recombined as Mellita pentapora'
'Echinus philanthropus is recombined as Psammechinus philanthropus'
'Echinus purpuratus is recombined as Strongylocentrotus purpuratus' according to Arnold 1903
'Echinus purpuratus is recombined as Strongylocentrotus purpuratus'
'Echinus rosaceus is recombined as Diplothecanthus rosaceus'
'Echinus variegatus is recombined as Toxopneustes variegatus'
'Enallaster belongs to Spatangidae'
'Enallaster obliquatus belongs to Enallaster' according to Clark 1893
'Enallaster obliquatus belongs to Enallaster'
'Encope belongs to Scutellidae'
'Encrinidae belongs to Dendrocrinoidea'
'Encrinus belongs to Encrinidae'
'Encrinus hyatti belongs to Encrinus'
'Epiaster whitei belongs to Epiaster' according to Clark 1891
'Epiaster whitei belongs to Epiaster'
'Eupatagus belongs to Spatangidae'
'Eupatagus carolinensis belongs to Eupatagus'
'Eupatagus floridanus belongs to Eupatagus'
'Fibularia belongs to Fibulariidae'
'Fibularina was reranked as the family Fibulariidae and belongs to Clypeastrina'
'Flexibilia was reranked as a order and belongs to Dicyclica'
'Gagaria belongs to Cyphosomatidae'
'Gagaria americana belongs to Gagaria'
'Galerites belongs to Cassidulidae'
'Galerites oregonensis belongs to Galerites' according to Dana 1849
'Galerites oregonensis belongs to Galerites'
'Gnathostomata was reranked as a order and belongs to Irregularia'
'Goniaster belongs to Atheneidae'
'Goniaster mammillata belongs to Goniaster'
'Goniopygus belongs to Hemicidaridae'
'Goniopygus zitteli belongs to Goniopygus' according to Clark 1891
'Goniopygus zitteli belongs to Goniopygus'
'Hemiaster belongs to Spatangidae'
'Hemiaster beecheri belongs to Hemiaster'
'Hemiaster bexari belongs to Hemiaster'
'Hemiaster californicus belongs to Hemiaster'
'Hemiaster calvini belongs to Hemiaster' according to Clark 1893
'Hemiaster calvini belongs to Hemiaster'
'Hemiaster comanchei belongs to Hemiaster'
'Hemiaster conradi belongs to Hemiaster' according to Bouvé 1851
'Hemiaster conradi is recombined as Agassizia conradi'
'Hemiaster dalli belongs to Hemiaster'
'Hemiaster elegans belongs to Hemiaster' according to Shumard 1853
'Hemiaster elegans belongs to Hemiaster'
'Hemiaster humphreysanus belongs to Hemiaster'
'Hemiaster kuemmeli belongs to Hemiaster'
'Hemiaster lacunosus belongs to Hemiaster'
'Hemiaster texanus belongs to Hemiaster'
'Hemiaster welleri belongs to Hemiaster'
'Hemicidaridae belongs to Arbacina'
'Hemicidaris belongs to Hemicidaridae'
'Hemicidaris intumescens belongs to Hemicidaris' according to Clark 1893
'Hemicidaris intumescens belongs to Hemicidaris'
'Hemipatagus belongs to Spatangidae'
'Hemipatagus argutus belongs to Hemipatagus'
'Hemipatagus subrostratus belongs to Hemipatagus'
'Hemipedina belongs to Diadematidae'
'Hemipedina charltoni belongs to Hemipedina'
'Heterodiadema belongs to Diadematidae'
'Heterodiadema ornatum belongs to Heterodiadema'
'Holaster belongs to Echinocorythidae'
'Holaster mortoni belongs to Holaster' according to Conrad 1850
'Holaster mortoni is recombined as Macropneustes mortoni'
'Holaster simplex belongs to Holaster' according to Shumard 1853
'Holaster simplex belongs to Holaster'
'Holectypina belongs to Gnathostomata'
'Holectypus belongs to Pygasteridae'
'Holectypus cragini belongs to Holectypus'
'Holectypus pealei belongs to Holectypus'
'Holectypus planatus belongs to Holectypus'
'Holothuridea was reranked as the class Holothuroidea and belongs to Echinodermata'
'Hypodiadema belongs to Hemicidaridae'
'Hypodiadema elegans belongs to Hypodiadema'
'Inadunata belongs to Dicyclica'
'Irregularia was reranked as a subclass and belongs to Echinoidea'
'Isocrinus belongs to Pentacrinidae'
'Isocrinus californicus belongs to Isocrinus'
'Isocrinus knighti belongs to Isocrinus'
'Isocrinus smithi belongs to Isocrinus'
'Laganes was reranked as the family Laganidae and belongs to Clypeastrina'
'Laganum belongs to Laganidae'
'Laganum archerensis belongs to Laganum'
'Laganum dalli belongs to Laganum'
'Laganum eldridgei belongs to Laganum'
'Laganum floridanum belongs to Laganum'
'Laganum johnsoni belongs to Laganum'
'Leiocidaris belongs to Cidaridae'
'Leptarbacia belongs to Hemicidaridae'
'Leptarbacia argutus belongs to Leptarbacia'
'Linthia belongs to Spatangidae'
'Linthia alabamensis belongs to Linthia'
'Linthia californica belongs to Linthia'
'Linthia wilmingtonensis belongs to Linthia'
'Macropneustes belongs to Spatangidae'
'Macropneustes carolinensis belongs to Macropneustes'
'Marsupites belongs to Marsupitidae'
'Marsupites americanus belongs to Marsupites' according to Springer 1911
'Marsupites americanus belongs to Marsupites'
'Marsupitidae belongs to Dendrocrinoidea'
'Mellita belongs to Scutellidae'
'Metalia belongs to Spatangidae'
'Micropsis belongs to Cyphosomatidae'
'Micropsis lineatus belongs to Micropsis'
'Mortonella belongs to Scutellidae'
'Nucleolites lyelli belongs to Nucleolites' according to Conrad 1850
'Nucleolites lyelli is recombined as Cassidulus (Rhynchopygus) lyelli'
'Nucleolitidae belongs to Asternata'
'Oligopygus belongs to Nucleolitidae'
'Oligopygus floridanus belongs to Oligopygus'
'Oligopygus wetherbyi belongs to Oligopygus'
'Ophioderma belongs to Ophiodermatidae'
'Ophioderma bridgerensis is recombined as Ophioglypha bridgerensis'
'Ophiodermatidae belongs to Zygophiurae'
'Ophioglypha belongs to Ophiolepididae'
'Ophioglypha texana belongs to Ophioglypha'
'Ophioglypha utahensis belongs to Ophioglypha'
'Ophiolepidinae was reranked as the family Ophiolepididae and belongs to Zygophiurae'
'Ophiuroidea was reranked as a subclass and belongs to Stelleroidea'
'Orthechinus belongs to Cyphosomatidae'
'Orthechinus pretiosus belongs to Orthechinus'
'Orthopsinae was reranked as the family Orthopsidae and belongs to Diademina'
'Orthopsis belongs to Orthopsidae'
'Orthopsis occidentalis belongs to Orthopsis'
'Orthopsis occidentalis belongs to Orthopsis' according to Cragin 1893
'Orthopsis planulata belongs to Orthopsis'
'Paractinopoda belongs to Holothuroidea'
'Pediniens was reranked as the family Pedinidae and belongs to Diademina'
'Pedinopsis belongs to Triplechinidae'
'Pedinopsis pondi belongs to Pedinopsis'
'Pentaceros belongs to Pentacerotidae'
'Pentaceros asperulus belongs to Pentaceros'
'Pentacerotidae belongs to Phanerozoma'
'Pentacrinidae belongs to Dendrocrinoidea'
'Pentacrinus asteriscus belongs to Pentacrinus' according to Meek and Hayden 1858
'Pentacrinus asteriscus belongs to Pentacrinus'
'Pentacrinus bryani belongs to Pentacrinus' according to Gabb 1876
'Pentacrinus bryani belongs to Pentacrinus'
'Pentacrinus shastensis belongs to Pentacrinus'
'Pentacrinus tehamaensis belongs to Pentacrinus'
'Pentacrinus whitei belongs to Pentacrinus' according to Clark 1893
'Pentacrinus whitei belongs to Pentacrinus'
'Pentagonaster belongs to Pentagonasteridae'
'Pentagonaster browni belongs to Pentagonaster'
'Pentagonasteridae belongs to Phanerozoma'
'Periarchus belongs to Scutellidae'
'Periarchus protuberans belongs to Periarchus'
'Pericosmus spatiosus belongs to Pericosmus' according to Ravenel 1848
'Pericosmus spatiosus is recombined as Brissus spatiosus'
'Phanerozoma belongs to Asteroidea'
'Pinnata belongs to Flexibilia'
'Plagionotus holmesii belongs to Plagionotus' according to McCrady 1855
'Plagionotus holmesii is recombined as Metalia holmesii'
'Plagionotus ravenelianus belongs to Plagionotus' according to McCrady 1855
'Plagionotus ravenelianus is recombined as Metalia ravenelianus'
'Psammechinus belongs to Triplechinidae'
'Psammechinus cingulatus belongs to Psammechinus' according to Clark 1891
'Psammechinus cingulatus belongs to Psammechinus'
'Psammechinus exoletus belongs to Psammechinus' according to McCrady 1857
'Psammechinus exoletus belongs to Psammechinus'
'Pseudodiadema belongs to Diadematidae'
'Pseudodiadema emersoni belongs to Pseudodiadema' according to Clark 1893
'Pseudodiadema emersoni belongs to Pseudodiadema'
'Pseudodiadema hilli is recombined as Cyphosoma hilli'
'Pygasteridae belongs to Holectypina'
'Pygorhynchus was reranked as Cassidulus (Pygorhynchus) and belongs to Cassidulus'
'Pygorhynchus gouldii is recombined as Cassidulus (Pygorhynchus) gouldii'
'Pygorhynchus mortonis is recombined as Echinanthus mortonis'
'Pygorhynchus rugosus belongs to Pygorhynchus' according to Ravenel 1848
'Pygurus belongs to Cassidulidae'
'Pyrina belongs to Echinoneidae'
'Pyrina parryi belongs to Pyrina' according to Hall 1857
'Pyrina parryi belongs to Pyrina'
'Regularia belongs to Echinoidea'
'Rhizocrinus belongs to Bourgueticrinidae'
'Rhizocrinus cylindricus belongs to Rhizocrinus' according to Weller 1907
'Rhizocrinus cylindricus belongs to Rhizocrinus'
'Rhynchopygus was reranked as Cassidulus (Rhynchopygus) and belongs to Cassidulus'
'Salenia belongs to Saleniidae'
'Salenia bellula belongs to Salenia'
'Salenia texana belongs to Salenia' according to Credner 1891
'Salenia texana belongs to Salenia'
'Salenia tumidula belongs to Salenia'
'Salenies is corrected as Saleniidae and belongs to Calycina'
'Sarsella belongs to Spatangidae'
'Sarsella gregoryi belongs to Sarsella'
'Schizaster belongs to Spatangidae'
'Schizaster americana belongs to Schizaster'
'Schizaster armiger belongs to Schizaster'
'Schizaster floridanus belongs to Schizaster'
'Schizaster lecontei belongs to Schizaster'
'Schizaster stalderi belongs to Schizaster'
'Scutaster belongs to Scutellidae'
'Scutaster andersoni belongs to Scutaster'
'Scutella belongs to Scutellidae'
'Scutella (Echinarachnius) oregonensis is recombined as Dendraster oregonensis'
'Scutella aberti belongs to Scutella'
'Scutella aberti [misspelled as Scutella alberti] belongs to Scutella' according to Bronn 1848
'Scutella aberti is corrected as Scutella alberti and belongs to Scutella' according to Meek 1864
'Scutella aberti is corrected as Scutella alberti and belongs to Scutella' according to Dall 1892
'Scutella aberti belongs to Scutella' according to Clark 1906
'Scutella andersoni belongs to Scutella'
'Scutella caroliniana belongs to Scutella' according to Ravenel 1841
'Scutella caroliniana is recombined as Mellita caroliniana'
'Scutella crustuloides belongs to Scutella' according to Morton 1833
'Scutella crustuloides is recombined as Laganum crustuloides'
'Scutella excentrica is recombined as Dendraster excentricus'
'Scutella fairbanksi belongs to Scutella'
'Scutella gibbsii is recombined as Dendraster gibbsii'
'Scutella interlineata is recombined as Dendraster interlineatus'
'Scutella lyelli belongs to Scutella' according to Conrad 1834
'Scutella lyelli is recombined as Periarchus lyelli'
'Scutella macrophora belongs to Scutella' according to Ravenel 1842
'Scutella macrophora is recombined as Encope macrophora'
'Scutella mississippiensis belongs to Scutella'
'Scutella norrisi belongs to Scutella'
'Scutella perrini is recombined as Astrodapsis perrini' according to Rathbun 1908
'Scutella perrini belongs to Scutella' according to Arnold 1909
'Scutella perrini is recombined as Echinodiscus perrini' according to Lambert 1909
'Scutella perrini belongs to Scutella' according to Arnold and Anderson 1910
'Scutella perrini is recombined as Merriamaster perrini' according to Lambert 1911
'Scutella perrini is recombined as Merriamaster perrini' according to Steianini 1911
'Scutella perrini is recombined as Dendraster perrini'
'Scutella pileussinensis belongs to Scutella' according to Ravenel 1844
'Scutella pileussinensis is recombined as Periarchus pileussinensis'
'Scutella quinquefaria belongs to Scutella' according to Say 1825
'Scutella quinquefaria is recombined as Mortonella quinquefaria'
'Scutella rogersi is recombined as Clypeaster rogersi'
'Scutella tuomeyi belongs to Scutella'
'Scutellaster belongs to Clypeasteridae'
'Scutellaster cretaceus belongs to Scutellaster' according to Cragin 1895
'Scutellaster cretaceus belongs to Scutellaster'
'Scutellidae belongs to Clypeastrina'
'Sismondia belongs to Fibulariidae'
'Sismondia alta belongs to Sismondia' according to Conrad 1865
'Sismondia alta is recombined as Periarchus altus'
'Sismondia arnoldi belongs to Sismondia'
'Sismondia coalingaensis belongs to Sismondia'
'Sismondia conradi belongs to Sismondia' according to Cotteau 1891
'Sismondia conradi is recombined as Scutella conradi'
'Sismondia plana belongs to Sismondia' according to Conrad 1865
'Spatangidae belongs to Sternata'
'Spatangus belongs to Spatangidae'
'Spatangus atropos is recombined as Schizaster atropos'
'Spatangus orthonotus is recombined as Echinocardium orthonotum'
'Spatangus pachecoensis belongs to Spatangus'
'Spatangus parastatus is recombined as Hemiaster parastatus'
'Spatangus stella is recombined as Hemiaster stella'
'Spatangus ungula is recombined as Hemiaster ungula'
'Stelleroidea belongs to Echinodermata'
'Sternata belongs to Atelostomata'
'Stomechinus belongs to Pedinidae'
'Stomechinus hyatti belongs to Stomechinus' according to Clark 1893
'Stomechinus hyatti belongs to Stomechinus'
'Strongylocentrotidae belongs to Echinina'
'Strongylocentrotus belongs to Strongylocentrotidae'
'Synapta belongs to Synaptidae'
'Synaptidae belongs to Paractinopoda'
'Toxaster texanus belongs to Toxaster' according to Roemer 1849
'Toxaster texanus is recombined as Enallaster texanus'
'Toxocidaris franciscana is recombined as Strongylocentrotus franciscanus'
'Toxocidaris franciscana is recombined as Strongylocentrotus franciscanus' according to Arnold 1903
'Toxopneustes belongs to Triplechinidae'
'Trematopygus belongs to Nucleolitidae'
'Triplechinidae belongs to Echinina'
'Uintacrinidae belongs to Dendrocrinoidea'
'Uintacrinus belongs to Uintacrinidae'
'Uintacrinus socialis belongs to Uintacrinus' according to Grinnell 1876
'Uintacrinus socialis belongs to Uintacrinus'
'Zygophiurae belongs to Ophiuroidea'