Definition of Perisphinctid. Meaning of Perisphinctid. Synonyms of Perisphinctid

- from the ancestral Stephanoceratidae in the Middle Jur****ic Bajocian: perisphinctid ammonites ranged from the Bajocan until the Tithonian at the end of...
- Bigotites is strongly ribbed, round-whorled perisphinctid ammonitic cephalopod from the middle Jur****ic with a smooth band along the outer edge of the...
- awarded by University of London, in 1981. She researched Callovian perisphinctid ammonites for her thesis. In 1969, Cox was appointed to the role of...
- Ried, Wegscheid Painten Formation a perisphinctid G. sp a perisphinctid Berckhemeria B. cf. scherzingeri a perisphinctid Virgataxioceras V. setatum an ataxioceratid...
- resembled later Middle Jur****ic stephanoceratids and Upper Jur****ic perisphinctids. S**** may be either evolute or involute. Ammonites with evolute, serpenticone...
- isolated but some were also found in ****ociation with the s**** of perisphinctid ammonites. They were interpreted by the researchers as ammonite eggs...
- Fernandez-Lopez & Pavia Middle Jur****ic (Bathonian)  France A zigzagiceratine perisphinctid, a species of Franchia. G****endiceras bosellii Sp. nov Valid Bert et...
- Paléobiologie, Genève. 31 (1): 235–265. András Galácz (2012). "Early perisphinctid ammonites from the early/late Bajocian boundary interval (Middle Jur****ic)...
- literature, the discovery of eight clusters of eggs in ****ociation with perisphinctid ammonite by Etches, Jane Clarke and John Callomon in 2008 provides the...
- isolated but some were also found in ****ociation with the s**** of perisphinctid ammonites. They were interpreted by the researchers as ammonite eggs...