-
buliminiformis Heterohelix bulloides Heterohelix calabarflanki Heterohelix carinata Heterohelix concinna Heterohelix cornuta Heterohelix digitata Heterohelix elongata...
- microbenthos.
Elphidium a
widespread abundant genus of
benthic forams Heterohelix, an
extinct genus of
benthic forams Marine microanimals Darkfield photo...
-
alpina Favusella iltermanne Hedbergella sp.
Sacoccoma sp.
Rotalipora sp.
Heterohelix sp.
Leoblichaella cf.
bentonensis Clavihedbergella sp.
Mammites nodosides...
- Bronnimannella, Ehrenbergites, Globoheterohelix, Fleisherites, Hartella,
Heterohelix, Huberella, Laeviheterohelix, Lazarusina, Lunatriella, Magellanina, Mihaia...
- microbenthos.
Elphidium a
widespread abundant genus of
benthic forams Heterohelix, an
extinct genus of
benthic forams Both
foraminifera and
diatoms have...
-
Hedbergella amabilis,
Hedbergella infracretacea,
Hedbergella planispira,
Heterohelix and Loeblic****a. Cenomanian:
Globigerinelloides caseyi, Guembelitria...
- microbenthos.
Elphidium a
widespread abundant genus of
benthic forams Heterohelix, an
extinct genus of
benthic forams Marine microanimals Darkfield photo...
- depletion. An
increase in the
abundance of the
planktonic foraminifer Heterohelix provides further evidence still of anoxia. The
resulting elevated levels...
-
Bifarina Gublerina Rectoguembelina Sigalia Subfamily Heterohelicinae Heterohelix Laeviheterohelix Lunatriella Planoglobulina Pseudoplanoglobulina Pseudotextularia...
- sp., ?Montelliceras sp., ?Calvoceras sp.,
Orbitolina conica texana,
Heterohelix reussi,
Marginotruncana sinuosa Río Cachirí Gp.
Molluscs Acrospirifer...
