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Megalytoceratinae (Toarcian – Bajocian)
Planulate lytoceratids in
which whorls and
sutures tend to lose
lytoceratid character and
resemble those of the perisphinctidae...
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Asapholytoceras is a
lytoceratid ammonite,
originally from the
upper Lower Jur****ic of
southeastern Europe with high,
compressed whorls and a
sharp angle...
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Megalytoceratinae is a
subfamily of
lytoceratids ammonites consisting of
planulate forms, i.e.
those with
moderately evolute compressed s**** with bluntly...
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Alocolytoceratinae is a
subfamily of
lytoceratids that
comprises genera characterized by many deep
constrictions in the s****
resulting in capricorn-like...
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Audaxlytoceras is an
extinct genus of
lytoceratid ammonites. The
Middle Jur****ic
Nannolytoceras is its
closest relative.
Aegolytoceras and Peripleuroceras...
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Michael W. Maisch; Angélique Salfinger-Maisch (2016). "First
record of the
lytoceratid Protetragonites Hyatt, 1900 (Cephalopoda: Ammonoidea) from the Upper...
- the
early Jur****ic. Analytoceras,
named by
Alpheus Hyatt in 1900, is a
lytoceratid and only
member of the
pleuroacanthitid subfamily Analytoceratinae, which...
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covered with
oblique line
which form a long
ventral sinus.
Sutures have
lytoceratid (moss-like)
lobes but more or less
phylloid saddle endings. Jur****ic...
- "New
species and
stratigraphic data on
Lower Bajocian (Middle Jur****ic)
lytoceratids (Ammonoidea) from Lókút,
Bakony Mts, Hungary". Paläontologische Zeitschrift...
- Paléobiologie. 22 (2): 877–894. Maisch, M. W.; Hoffmann, R. (2017). "
Lytoceratids (Cephalopoda, Ammonoidea) from the
Lower Posidonienschiefer Formation...
