-
Orbitolina is an
extinct genus of
foraminifera belonging to the
order Textulariida and
family Orbitolinidae.
Fossils of this
genus are
widely found in...
-
alternating shale and
limestone beds
contain fossil echinoids, the
foraminifer Orbitolina, the
gastropod Lunatia praegrandis Roemger, and
small oysters. The upper...
- Foraminifera. A
variety of
fossil foraminifera occur in the Glen Rose,
including Orbitolina texana (Roemer), a
giant (for forams) s**** over a
centimeter in diameter...
- the
conglomerate are of
Cretaceous age and
contain the
foraminiferan Orbitolina and
other common Cretaceous fossils.
These are
embedded in a red arkosic...
-
preserves fossils dating back to the
Cretaceous period.
Hadrosauridae indet.
Orbitolina texana Dicyclina schlumbergeri Dictyoconus sp.
Oxytropidoceras sp. Lunatia...
-
Drusberg layers (forming a
forest belt),
bright Schrattenkalk limestone with
orbitolina layers overlaid by
Seewerkalk limestone.
Above this,
there is a transgression...
-
Turrulitas sp.,
Acanthoceras sp., ?Montelliceras sp., ?Calvoceras sp.,
Orbitolina conica texana,
Heterohelix reussi,
Marginotruncana sinuosa Río Cachirí Gp...
-
Loftusiida Orbitolina texana (Roemer).
Fossil s**** of a
foramanifera from the Glen Rose
Formation (Lower Cretaceous) of
Comal County, Texas. Scientific...
- have been
found in the Apón
Formation at Toas island:
Spiroculina sp.,
Orbitolina concava, Gryphaeostrea,
Amphidonte (Ceratostreon) boussingaulti, Ostrea...
- and Albian) Algeria Mexico United
States Venezuela A new
genus for "
Orbitolina"
walnutensis C****y (1926) and "Dictyoconus" algeri****
Cherchi & Schroeder...
