Cicerocrinus osiliensis ( Jaekel, 1900 )

Ausich, William I., Wilson, Mark A. & Vinn, Olev, 2012, Crinoids from the Silurian of Western Estonia, Acta Palaeontologica Polonica 57 (3), pp. 613-631 : 628

Cicerocrinus osiliensis ( Jaekel, 1900)

Fig. 5C, D .

1900 Lagarocrinus osiliensis sp. nov.; Jaekel 1900: 486, figs. 1, 2.

1938 Lagarocrinus osiliensis Jaekel, 1900 ; Bassler 1938: 120.

1943 Cicerocrinus osiliensis ( Jaekel, 1900) ; Bassler and Moodey 1943: 364.

1981 Cicerocrinus osiliensis ( Jaekel, 1900) ; Rozhnov 1981: 111, pl. 24: 6; fig. 21z.

1988 Cicerocrinus osiliensis ( Jaekel, 1900) ; Webster 1988: 55.

2003 Cicerocrinus osiliensis ( Jaekel, 1900) ; Webster 2003.

Material.— GIT 405−242 and TUG 1375−1 from the Ohesaare Formation, Ohesaare Cliff, Saaremaa Island.

Discussion.—Two well preserved crowns of this species are available ( Fig. 5C, D ). Geographic and stratigraphic range.—Ohesaare Formation at Ohesaare Cliff, Saaremaa, Estonia.

Figures

Fig. 5. Camerate, disparid, and flexible crinoids from the Silurian of Estonia. A. Myelodactylus? sp., TUG 1395−7, Ohesaare Formation (Pridoli), Ohesaare Cliff. Articular facet of columnal. B. Saaremaacrinus estoniensis gen. et sp. nov., holotype, TUG 1395−3, middle Äigu Beds, Kaugatuma Formation (Pridoli), Kaugatuma Cliff. B1, lateral view of theca, interpretation of plates in Fig. 4; B2, tegmen view of theca. C, D. Cicerocrinus osiliensis (Jaekel, 1900), Ohesaare Formation (Pridoli), Ohesaare Cliff. C. TUG 1376−1. C−ray lateral view of calyx. D. GIT 405−242. C−ray lateral view of calyx. E. Protaxocrinus salteri? (Angelin, 1878), TUG 1395−4, Ninase Member, Jaani Formation (Wenlock), Suuriku Cliff. E1, CD interray view of crown and proximal column; E2, CD interray view of calyx, proximal arms and column, note badly beach−worn preservation. F. Caleocrinus balticensis sp. nov., GIT 405−12, Juuru Stage (Llandovery), Heltermaa. D−Ray lateral view of crown. G, H. Desmidocrinus laevigatus sp. nov., middle Äigu Beds, Kaugatuma Formation (Pridoli), Kaugatuma Cliff. G. TUG 1395−1, holotype. G1, oblique D−ray lateral view of calyx; G2, CD−interray lateral view of calyx; G3, D−ray lateral view of incomplete crown. H. TUG 1395−2, paratype. D−ray lateral view of calyx.