The Nada Member (Borden Formation) of Kentucky: Echinodermata

by Don R. Chesnut (chesnut<at>uky.edu)
İDRC 2014

Phylum Echinodermata Klein, 1734

Class Blastoidea Say, 1825

unidentified blastoid
photo by Rick Schrantz
 Click to see blaswrd.jpg



Class Crinoidea Miller, 1821

Crinoidea incertae sedis
Click to see IMG_0028ac.jpg Click to see IMG_0029ac.jpg Click to see IMG_0031ac.jpg
Click to see IMG_0033cac.jpg
diseased stem

Subclass Camarata Wachsmuth and Springer, 1885

Order Diplobathrida Moore and Laudon, 1943

Suborder Eudiplobathrida Ubaghs, 1953

Superfamily Rhodocrinitoidea Roemer, 1855

Family Rhodocrinitidae Roemer, 1855

Genus Rhodocrinites Miller, 1821


Rhodocrinites barrisi divergens (Hall, 1861)
[cited by Lee et al, 2005]


Genus Gilbertsocrinus Phillips, 1836

Gilbertsocrinus tuberculosus? (Hall, 1859)
[cited by Lee et al, 2005]
[cited as P. tuberculosus by Lane and DuBar, 1983]

Gilbertsocrinus typus? (Hall, 1859)
[cited by Lee et al, 2005]


    Order Monobathrida Moore and Laudon, 1943
 
unidentified camarates
photos by Rick Schrantz
 Click to see actinocrinites.jpg Click to see rhodocrinites3.jpg
 Click to see arms.jpg


Suborder Compsocrinina Ubaghs, 1978

Superfamily Periechocrinoidea Bronn, 1849

Family Actinocrinitidae Austin and Austin, 1842

Subfamily Actinocrininae Austin and Austin, 1842

Genus Actinocrinites Miller, 1821


Actinocrinites eximius
(Kirk, 1943)
[cited by Lee et al, 2005]

Actinocrinites scitulus (Meek and Worthen, 1860)
[cited by Lee et al, 2005]


Genus Blairocrinus Miller, 1891

Blairocrinus protubertus Lee et al, 2005
[cited by Lee et al, 2005]
[cited as Blairocrinus sp. by Lane and DuBar, 1983]
photo by Rick Schrantz
Click to see actino.jpg


Superfamily Carpocrinoidea de Koninck and LeHon, 1854

Family Batocrinidae Wachsmuth and Springer, 1881

Genus Uperocrinus Meek and Worthen, 1865


Uperocrinus acuminatus Lee et al, 2005
[cited by Lee et al, 2005]
[cited as Eretmocrinus calyculoides by Lane and DuBar, 1983]
photo by Rick Schrantz
Click to see dizygo.jpg

Uperocrinus pyriformis (Shumard, 1855)
[cited by Lee et al, 2005]
[cited by Lane and DuBar, 1983]
photos by Rick Schrantz
Click to see upero.jpg  Click to see dizygocrinus.jpg


Genus Eretmocrinus Lyon and Casseday, 1859

Eretmocrinus cloelia (Hall, 1861)
[cited by Lee et al, 2005]


Genus Macrocrinus Wachsmuth and Springer, 1897

Macrocrinus konincki (Shumard, 1855)
[cited by Lee et al, 2005]
[cited by Lane and DuBar, 1983]
photos by Rick Schrantz
 Click to see dorycrinus.jpg Click to see eretmocrinus.jpg


Family Coelocrinidae Bather, 1899

Genus Aorocrinus Wachsmuth and Springer, 1897


Aorocrinus nodulus Lee et al, 2005
[cited by Lee et al, 2005]
[cited as Aryballocrinus whitei by Lane and DuBar, 1983]


Genus Dorycrinus Roemer, 1855

Dorycrinus quinquelobus (Hall, 1859)
[cited by Lee et al, 2005]
[cited by Lane and DuBar, 1983]


Genus Agaricocrinus Hall, 1858

Agaricorinus inflatus? Hall, 1861
[cited by Lee et al, 2005]

Agaricocrinus planoconvexus Hall, 1861)
[cited by Lee et al, 2005]


Superfamily Hexacrinitoidea Wachsmuth and Springer, 1897

Family Dichocrinidae Miller, 1889

Subfamily Dichocrininae Miller, 1889

Genus Dichocrinus Münster, 1839


Dichocrinus pocillum? Hall, 1861
[cited by Lee et al, 2005]

Dichocrinus sp.
[cited by Lee et al, 2005]


Genus Paradichocrinus Springer, 1926

Paradichocrinus liratus (Hall, 1861)
[cited by Lee et al, 2005]


Suborder Glyptocrinina Moore, 1952

Superfamily Platycrinitoidea Austin and Austin, 1842

Family Platycrinitidae Austin and Austin, 1842

Genus Platycrinites Miller, 1821


Platycrinites ssp.
photo by Rick Schrantz
Click to see crinoidnadas.jpg
photos by Chesnut
Click to see IMG_0030ac.jpg
Click to see IMG_0068ac.jpg

Platycrinites glyptus (Hall, 1861)
[cited by Lee et al, 2005]
[cited as P. sp. by Lane and DuBar, 1983]

Platycrinites ?incomptus (White, 1863)
[cited by Lane and DuBar, 1983]

Platycrinites planus (Owen and Shumard, 1850)
[cited by Lee et al, 2005]

Platycrinites spinifer Wachsmuth and Springer, 1897
[cited by Lee et al, 2005]
[cited as P. tenuibrachiatus by Lane and DuBar, 1983]


Camerata incertae sedis
[cited by Lee et al, 2005]


Subclass Cladida Moore and Laudon, 1943

unidentifed cladids
 Click to see IMG_0011cac.jpg
crinoid root structure
 Click to see IMG_0069ac.jpg
photo by Rick Schrantz
Click to see springericrinus.jpg
photo by Rick Schrantz
Click to see cyathocrinites.jpg

photo by Rick Schrantz, probably not from the Nada
Click to see scytalocrinus.jpg

Suborder Cyathocrinina Bather, 1899

unidentified cyathocrinin
  Click to see IMG_0032ac.jpg


Superfamily Cyathocrinitoidea Bassler, 1938

Family Cyathocrinitidae Bassler, 1938

Genus Cyathocrinites Miller, 1821


Cyathocrinites iowensis (Owen and Shumard, 1850)
[cited by Lee et al, 2005]


Family Botryocrinidae Wachsmuth and Springer, 1886

Genus Barycrinus Meek and Worthen, 1868


Barycrinus spurius (Hall, 1858)
[cited by Lee et al, 2005]
[cited as B. sp 1 by Lane and DuBar, 1983]


Genus Costalocrinus Jaekel, 1918

Costalocrinus cornutus (Owen and Shumard, 1850)
[cited by Lee et al, 2005]
[cited as Barycrinus sp. 2 by Lane and DuBar, 1983]


Genus Meniscocrinus Kammer and Ausich, 1996

Meniscocrinus sp.
[cited by Lee et al, 2005]
[cited as Barycrinus sp. 3 by Lane and DuBar, 1983]


Genus Pellecrinus Kirk, 1929

Pellecrinus obuncus (White, 1862)
[cited by Lee et al, 2005]
Click to see IMG_0011bac.jpg


Suborder Dendrocrinina Bather, 1899

Superfamily Mastigocrinoidea Jaekel, 1918

Family Mastigocrinidae Jaekel, 1918

Genus Atelestocrinus Wachsmuth and Springer, 1886


Atelestocrinus kentuckyensis Lee et al, 2005
[cited by Lee et al, 2005]


Suborder Poteriocrinina Jaekel, 1918

Superfamily Erisocrinoidea Wachsmuth and Springer, 1886

Family Graphiocrinidae Wachsmuth and Springer, 1886

Genus Holcocrinus Kirk, 1945


Holcocrinus spinobrachiatus (Hall, 1861)
[cited by Lee et al, 2005]
photo by Rick Schrantz
Click to see holcocrinus.jpg


Superfamily Scytalocrinoidea Moore and Laudon, 1943

Family Blothrocrinidae Moore and Laudon, 1943

Genus Blothrocrinus Kirk, 1940


Blothrocrinus swallovi (Meek and Worthen, 1860)
[cited by Lee et al, 2005]


Family Cercidocrinidae Moore and Laudon, 1943

Genus Coeliocrinus White, 1863


Coeliocrinus subspinosus White, 1863
[cited by Lee et al, 2005]


Superfamily Decadocrinoidea Bather, 1890

Family Decadocrinidae Bather, 1890

Genus Decadocrinus Wachsmuth and Springer, 1880


Decadocrinus scalaris (Meek and Worthen, 1870)
[cited by Lee et al, 2005]



Subclass Flexibilia von Zittel, 1895

Order Taxocrinida Springer, 1913

Superfamily Taxocrinoidea Angelin, 1878

Family Taxocrinidae Angelin, 1878

Genus Taxocrinus Phillips, 1843


Taxocrinus spp. [cited by Lee et al, 2005]
[cited by Lane and DuBar, 1983]
photo by Rick Schrantz
Click to see flexible.jpg 
photo by Chesnut
Click to see IMG_0008ac.jpg


Subclass Disparida Moore and Laudon, 1943

Superfamily Belemnocrinoidea Miller, 1883

Family Synbathocrinidae Miller, 1889

Genus Synbathocrinus Phillips, 1836

Synbathocrinus dentatus Owen and Shumard, 1852
[cited by Lee et al, 2005]
[cited as S. sp. by Lane and DuBar, 1983]
photo by Rick Schrantz
Click to see synbathocrinus.jpg
photos by Chesnut
Click to see IMG_0033aac.jpg Click to see IMG_0011aac.jpg


Superfamily Calceocrinoidea Meek and Worthen, 1869

Family Calceocrinidae Meek and Worthen, 1865

Genus Halysiocrinus Ulrich, 1886


Halysiocrinus dactylus (Hall, 1860)
[cited by Lee et al, 2005]
Click to see IMG_0033bac.jpg 

 link to Todd Hendricks photo