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Geisonoceratidae is an
extinct family of
orthoceroid cephalopods endemic to what
would be Asia, Europe, and
North America from the
Middle Ordovician to...
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Families Arionoceratidae Baltoceratidae Clinoceratidae Engorthoceratidae Geisonoceratidae Lamellorthoceratidae Orthoceratidae Proteoceratidae Stereoplasmoceratidae...
- an
extinct orthocerid genus named by Hyatt, 1884, and type for the
Geisonoceratidae established by
Zhuravleva in 1959.
Fossils of
Geisonoceras are found...
-
Central Europe (Bohemia)
named by Baskov, 1960, and
included in the
Geisonoceratidae. As with the orthocerids, its s**** is longiconic,
siphuncle more or...
- from the
Silurian of
Bohemia named by Barscov, 1960,
included in the
Geisonoceratidae. Also
named by him, from the same age and area, the
related Joachimoceras...
-
Barskov in 1960.
Temperoceras is
included in the
orthocerid family Geisonoceratidae the type is
Orthoceras ludense Temperoceras has an
orthoconic s****...
- Michelinoceratidae, but
attributed by
Serpagli and
Gnoli (1977) -ibid to the
Geisonoceratidae Zhuravleva (1959) "on the
basis of the (admittedly irregular) occurrence...
- years.
Geisonocerina was
named by
Foeste (1935) and
included in the
Geisonoceratidae as part of the
Orthocerida where it is
listed in
Sepkoski (2002). Geisonocerina...
-
Ordovician (Darriwilian)
Pelmis Formation Iran A
member of the
family Geisonoceratidae. The type
species is S. castellum.
Svalbardoceras Gen. et 2 sp. nov...
-
Ordovician Kullsberg Limestone Formation Sweden A
member of the
family Geisonoceratidae.
Sepia vandervoorti Sp. nov
Valid Košťák, Jagt & Schlögl
Miocene (late...
