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Sea lilies of the genera Holocrinus , Tollmannicrinus, and Eckicrinus (order Holocrinida) from the Anisian (Middle Triassic) of Qingyan, south-western China
PalZ ( IF 1.8 ) Pub Date : 2019-12-12 , DOI: 10.1007/s12542-019-00505-7 Frank Stiller
PalZ ( IF 1.8 ) Pub Date : 2019-12-12 , DOI: 10.1007/s12542-019-00505-7 Frank Stiller
Disarticulated stem remains of the crinoid genera Holocrinus, Tollmannicrinus, and Eckicrinus of the order Holocrinida from Anisian (early Middle Triassic) strata of the eastern and north-eastern outskirts of Qingyan, Guizhou Province, south-western China, are described. Holocrinus qingyanensis sp. nov. (family Holocrinidae) occurs in early early to middle middle Anisian deposits. Tollmannicrinus leidapoensis sp. nov. is described from latest middle Anisian strata, and the genus Tollmannicrinus is placed in the new family Tollmannicrinidae of the order Holocrinida. Eckicrinus cf. radiatus (Schauroth) is documented from early late Anisian deposits; the family level assignment of Eckicrinus is unclear. Holocrinus qingyanensis and Eckicrinus cf. radiatus resemble contemporaneous congeneric species from Europe. Tollmannicrinus leidapoensis is related to the younger species Tollmannicrinus saklibelensis from late Ladinian to early Carnian deposits of Turkey.
更新日期：2019-12-12
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