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Pleuroceras spinatum is a
species of
ammonite from the
lower Jur****ic,
upper Pliensbachian period (189.6 ± 1.5 – 183.0 ± 1.5 Mya).
Species of this genus...
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contains five
ammonite biozones in the
boreal domain: zone of
Pleuroceras spinatum zone of
Amaltheus margaritatus zone of
Prodactylioceras davoei zone of...
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hawskerense (Young & Bird, 1828)
Pleuroceras solare (Phillips, 1829)
Pleuroceras spinatum (Bruguière, 1789)
Pleuroceras transiens Frentzen, 1937
Pleuroceras apyrenum...
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Pliensbachian of
Northern Germany. It was
recovered from the
Grimmen Clay Pit, on
Spinatum strata that
belongs in the
region to the
Komorowo Formation. The holotype...
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Limestone Formation Stratigraphic range:
Upper Pliensbachian–Toarcian
Spinatum-lowermost Thou****nse ~185–175 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Cliff exposure...
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Pleuroceras spinatum Museum of Toulouse...
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evolves from
bottom to top: blue-gray
marls of the
uppermost Pliensbachian spinatum zone,
being medium gray, pyrite-rich clay marl
stones that are
still part...
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Scaphidium sinuatum Csiki, 1924 g
Scaphidium solukhumbu g
Scaphidium spinatum Tang & Li, 2010
Scaphidium stigmatinotum Loebl, 1999 g
Scaphidium takahashii...
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evolving from Protogrammoceratinae.
First one
started in
upper Pliensbachian (
Spinatum zone) when
Tiltoniceras evolved from Lioceratoides, or Protogrammoceras...
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Cushman & Dusenbury, 1934
Elphidium somaense Takayanagi, 1955
Elphidium spinatum Cushman & Valentine, 1930 †Elphidium
stebnicaensis Pishvanova, 1964 †Elphidium...
