- Ebbestad, Jan Ove R.; Frýda, Jiří; Wagner,
Peter J.; Horný,
Radvan J.;
Isakar, Mare; Stewart, Sarah; Percival, Ian G.; Bertero, Verònica; Rohr, David...
-
Tentaculitida Trypanoporida Genera Anticalyptraea Lindstroemiella O. Vinn, M.
Isakar (2007). "The
tentaculitid affinities of
Anticalyptraea from the Silurian...
- (1964),
Sweet (1964) and
Evans (1994); to
Pseudorthocerida by Kröger and
Isakar (2006); and to
Orthocerida by Kröger et al. (2007).
Archigeisonoceras Baykonuroceras...
- Kionoceratinae, in the
orthocerid family Michelinoceratidae.
Kroger and
Isakar (2006) cast some
doubt as to the
validity of this subgroup.
which depends...
-
Burujan 57 DF EST
Karlis Ellermaa 58 DF EST
Jander Poolma 70 GK EST
Rando Isakar 71 MF EST
Kardo Kallas 72 MF EST Jaan
Joosep Kuuse 73 FW EST
Radion Trofimov...
-
graciloceratid from the
Middle Ordovician of the
Baltic region (Kröger, Zhang, and
Isakar. 2009) Flower,R.H 1950 in
Flower and Kummel, A
classification of the Nautiloidea...
- 472-466 Ma P. neptunsakerense.[citation needed] Kroger, B.; Zhang, Y.;
Isakar, M (2009). "Discosorids and
Oncocerida (Cephalopoda) of the
Middle Ordovician...
- as
Spyroceras senckenbergi Teichert (1932) and
redefined by
Kroger and
Isakar (2006) as the type
species of
Paleodawsonocerina (P. senckenbergi) Paleontology...
- (1): CG2012_L01. doi:10.4267/2042/46096.
Retrieved 2012-10-01. Vinn, O.;
Isakar, M. (2007). "The
tentaculitid affinities of
Anticalyptraea from the Silurian...
-
Mines and
Mineral Resources Memoir 12. Björn Kröger,
Yunbai Zhang, & Mare
Isakar 2009.
Discosorids and
Oncocertids (Cephalopoda) of the
Middle Ordovician...
