- Perisphinctoidea,
formerly Perisphinctaceae, is a
superfamily of
Middle Jur****ic (Bajocian) to
Lower Cretaceous (Barremian) ammonites,
commonly with evolute...
- Phylum:
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Superfamily:
Perisphinctaceae Family:
Aspidoceratidae Genus:
Benacoceras Spath, 1925
Species None...
- is a
subfamily in the Aspidoceratidae, a
family of
ammonites in the
Perisphinctaceae, that
lived during most of the Late Jur****ic,
especially in the Pacific...
- class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Perisphinctaceae Family:
Perisphinctidae Subfamily:
Dorsoplanitinae Genus: Glottoptychinites...
-
classification Kingdom:
Animalia Phylum:
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Superfamily:
Perisphinctaceae Family:
Morphoceratidae Genus: Asphinctites...
- class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Perisphinctaceae Family:
Olcostephanidae Subfamily:
Spiticeratinae Genus: Aspidosteph****...
- 1953, and
included in the
family Perisphinctidae and
superfamily Perisphinctaceae, is small, compressed, evolute, with long
secondary ribs and very large...
-
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Perisphinctaceae Family:
Ataxioceratidae Genus:
Ataxioceras Species see text...
-
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Perisphinctaceae Family:
Polyptichitidae Genus:
Polyptichites Pavlov, 1892...
-
Mollusca class:
Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Superfamily: †
Perisphinctaceae Family: †Craspeditidae Genus: †Kachpurites Spath, 1924...
