-
Hammatoceratidae is a
family of
lower and
middle Jur****ic
ammonites included in the
superfamily Hildoceratoidea.
Hammatoceratidae comprises genera which...
- by
Schindewolf in 1964 that
combined the
families Graphoceratidae,
Hammatoceratidae, and Sonniniidae. The
three families were
previously included in the...
- e.g. W.J.
Arkell et al., 1964 and D.T.
Donovan et al., 1981, the
Hammatoceratidae,
which then
included erycitid genera, was part of the Hammatoceratoidea...
-
benannt wurde.
Fissilobiceras gehört zur
Familie der
Hildoceratoiden (
Hammatoceratidae).
Fissilobiceras is
similar to Shirbuirnia,
except primarily for being...
- the
venter that
replaces the keel,
generally characteristic of the
Hammatoceratidae Abbasites was
originally described by
Sydney S.
Buckman in 1921, with...
- class:
Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †
Hammatoceratidae Subfamily: †Hammatoceratinae Genus: †Eudmetoceras Buckman, 1920...
-
genus of
dwarf ammonites from the
Middle Jur****ic
included in the
Hammatoceratidae and
lacking a keel. The s**** is evolute,
inner whorls exposed; whorls...
- is
likely all
three component families have
their beginnings in the
Hammatoceratidae in the
middle Bajocian. None of the
Haploceratoidea is
thought to have...
- Jur****ic,
found in
Europe and
North America.
Bredyia is a
member of the
Hammatoceratidae, a
family which comprises part of the Hildoceratoidea. Its s**** is...
- with
strongly ribbed,
involute s****. They are
combined with the
Hammatoceratidae (= Phymatoceratidae), Graphoceratidae, and
Sonniniidae to make up the...
