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Egerquist, E.; Holmer, L. E. (2006). Early–Middle Ordovician (Billingen–Volkhov stages) Orthide and Protorthide brachiopods from the East Baltic. GFF. 128(4): 339-348.
508363
10.1080/11035890601284339 [view]
Egerquist, E.; Holmer, L. E.
2006
Early–Middle Ordovician (Billingen–Volkhov stages) Orthide and Protorthide brachiopods from the East Baltic
GFF
128(4): 339-348
Publication
Three new orthide species: Orthidium lavensis, Orthidium gambolovensis and Ranorthis rotunda, and one new protorthide species: Skenidioides minutus, are described from the Early-Middle Ordovician (Billingen-Volkhov stages) of Estonia and north-western Russia. This is the first record of Orthidium from Baltica, whereas Skenidioides was known previously only from the Keila and Oandu stages in Estonia.
Date action by
Orthidium gambolovensis Egerquist & Holmer, 2006 † (original description)
Orthidium lavensis Egerquist & Holmer, 2006 † (original description) Ranorthidae Havliček, 1949 † (basis of record) Ranorthis Öpik, 1939 † (basis of record) Ranorthis lipoldi Havliček, 1949 † (basis of record) Ranorthis norvegica Öpik, 1939 † (basis of record) Ranorthis prima Havliček, 1977 † (basis of record) Ranorthis rotunda Egerquist & Holmer, 2006 † (original description) Ranorthis sulcata Melou in Babin et al., 1982 † (basis of record) Skenidioides minutus Egerquist & Holmer, 2006 † (original description) |