- 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...
-
University of London,
graduating in 1981. She
researched Callovian perisphinctid ammonites for her thesis. Some of her most
notable scholarly papers...
- literature, the
discovery of
eight clusters of eggs in ****ociation with
perisphinctid ammonite by Etches, Jane
Clarke and John
Callomon in 2008
provides the...
- Ried,
Wegscheid Painten Formation a
perisphinctid G. sp a
perisphinctid Berckhemeria B. cf.
scherzingeri a
perisphinctid Virgataxioceras V.
setatum an ataxioceratid...
-
isolated but some were also
found in ****ociation with the s**** of
perisphinctid ammonites. They were
interpreted by the
researchers as
ammonite eggs...
- Paléobiologie, Genève. 31 (1): 235–265. András Galácz (2012). "Early
perisphinctid ammonites from the early/late
Bajocian boundary interval (Middle Jur****ic)...
- Schweigert, G.; Parent, H.; Főzy, I. (2024). "Suevisphinctes – a new
perisphinctid ammonite genus from the
Lower Tithonian (Hybonotum Zone) of Southern...
-
isolated but some were also
found in ****ociation with the s**** of
perisphinctid ammonites. They were
interpreted by the
researchers as
ammonite eggs...
-
ammonites from
India is
published by
Dutta &
Bardhan (2016), who name a new
perisphinctid subfamily Sivajiceratinae.
Ammonite embryonic s****
clusters preserved...
