720


Journal of Paleontology 91(4):715–734


Table 1. Clade composition of Katian faunas at the generic level (excluding columnal taxonomy). Data taken largely from Webster and Webster (2014) and from the database of Peters and Ausich (2008).


Formation


Laurentian Faunas Arnheim Formation Big Horn Dolomite


Country


Bobcaygeon Formation Cape Limestone


United States United States Canada


Cobourg Member, Ottawa Formaiton Curdsville Member, Hermitage Formation Cynthiana Formation Correyville Formaiton


Elgin Member, Scales Formation Farr Formation


Fort Atkinson Formation Galena Formation


Glens Falls Limestone Fairview Formation Fernvale Formation


Georgian Bay Formation Guttenberg Formaiton


Homard Member, Vaureal Formation Hull Member, Ottawa Formation Kope Formation


La Vache Member, Vaureal Formation Liberty Formation


Maquoketa Shale (Iowa) Maquoketa Shale (Illinois) Prosser Limetone


Mill Bay Member, Vaureal Formation Orchard Creek Shale Rust Formation


Sequiamdah Formation


Schmidt Creek Member, Vaureal Formation


Sinsinewa Member, WisfLake Formation Tower Member, Vaureal Formation Trenton Limestone (Baffin Land) Trenton Limestone (New York) Waynesville Formation Whitewater Formation


Threave Glen Starfish Beds (Scotland) Threave Glen Starfish Beds (England)


Avalonian Faunas Bala Limestone Cnwce


Baltic Faunas Boda Limestone Oandu Stage


Wassalem Beds


Gondwanan Faunas Tiouririne Formation Fombuena Formation


Bancos Mixtos Formation


Perunica Faunas Králuv Dvůr Formation Zhaorany Formation


Sherman Falls Member, Ottawa Formation


United States Canada


United States United States United States United States Canada


United States United States United States United States United States Canada


United States Canada Canada


United States United States United States United States Canada


United States Canada


Diplobathrid camerates


United States United States Canada Canada


Canada


United States Canada Canada


United Kingdom (Scotland) United Kingdom (England)


United States United States United States


United Kingdom (Wales) United Kingdom (Wales)


Sweden Estonia Estonia


Morocco Spain Spain


Czech Republic Czech Republic


interray, the primanal is indicated by “P” and the first interradial in regular interrays is indicated by “1.” A “?” given in the interray series indicates more distal plating is unknown. In the measurement sections and the table of measurements


(Table 2), asterisks indicate measurements that are of compressed or incomplete specimens; two asterisks indicates holotype speci- mens.All measurements are inmillimeters unless otherwise noted.


Class Crinoidea Miller, 1821


Subclass Camerata Wachsmuth and Springer, 1885 Order Diplobathrida Moore and Laudon, 1943 Family Anthracocrinidae Strimple and Watkins, 1955


Remarks.—Assignment of newtaxa toAnthracocrinidae broadens both the morphological concept and geographic range of this family. Two characters previously considered diagnostic of


0 0 0 0 1 3 1 1 0 0 2 0 0 0 1 1 1 0 4 0 1 1 2 0 1 0 0 1 0 0


0 2 0 0 2 3 0 2 1


0 0


3 0 0


1 4 1


0 0


Monobathrid camerates Cladids Flexibles Disparids Hybocrinids


0 1 0 0 3 1 0 2 0 0 0 0 1 3 0 0 0 1 3 0 0 1 2 0 0 0 0 1 1 0


0 0 0 0 1 3 1 2 0


0 1


0 0 0


0 1 0


0 0


1 2 1 1 1 5 1 1 3 0 4 1 0 1 0 1 1 1


10 2 3 1 3 3 2 1 0 2 1 1


0 6 1 1 6 3 3 5 0


1 3


1 0 3


0 1 0


1 1


0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 2 1 0 1 0 0 0 0


0 0 0 0 0 0 0 1 0


0 0


1 0 0


0 0 0


0 0


1 0 1 0 3 2 2 4 0 1 3 0 0 6 0 0 1 0 7 4 1 2 3 1 1 0 1 4 2 0


1 2 0 0 5 2 1 6 0


0 2


9 0 0


0 0 0


0 0


0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0


0 0 0 0 0 0 0 0 0


0 0


1 1 0


0 0 0


0 0


Total generic richness


2 3 2 1 9


13 4 8 3 1


10 1 1


10 1 2 3 3


27 6 5 5


12 5 4 2 1 8 5 1


1


10 1 1


16 1


1 6


15 1 3


1 6 1


1 1


Emended diagnosis.—Dicyclic camerate with basal concavity involving infrabasals and partial basals; median ray ridges faint to prominent; fixed brachials bifurcating twice within the calyx; regular interray plating 1–2or1–3, either with the first interray plate enlarged or plating forming a weak to prominent biseries; posterior interray differentiated or undifferentiated; fixed secundibrachials and tertibrachials; free arm openings 15 or 20; lower pinnules enlarged, typically fixed.


14 11 5


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