Greenhorn Limestone
175 distinct taxa, from 679 fossil occurrences the Paleobiology Database records under this name, spanning 101–90 Mya.
Colorado, Kansas, South Dakota, New Mexico · US
175 taxa · 679 fossils · 101–90 MyaFiled under the Colorado Group. Members recorded: Bridge Creek Limestone, Lincoln Limestone, Hartland Shale, Jetmore Chalk, Pfeifer Shale, Bridge Creek, Lincoln, Thatcher Limestone, bridge Creek Limestone, Pfeifer.
Macrostrat places this rock in the Colorado Group. Macrostrat’s own record
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47 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Inoceramidae
- Inoceramus
- Inoceramus (Inoceramus) pictus
- Cretoxyrhina mantelli
- Ostreidae
- Pycnodonte
- Pachyrhizodus minimus
- Mytiloides
- Squalicorax curvatus
- Enchodus shumardi
- Ptychodus occidentalis
- Squalicorax falcatus
- Calycoceras (Calycoceras) naviculare
- Enchodus gladiolus
- Plethodidae
- Caturidae
- Bivalvia
- Cretalamna appendiculata
- Entolium
- Microcarcharias saskatchewanensis
- Ptychodus anonymus
- Xiphactinus audax
- Cretomanta canadensis
- Phelopteria
- Sciponoceras
- Cenocarcharias tenuiplicatus
- Protosphyraena
- Squalicorax
- Archaeolamna kopingensis
- Discinisca
- Ptychodus decurrens
- Ptychodus whipplei
- Albulidae
- Haimirichia amonensis
- Pachyrhizodus
- Teleostei
- Ammonoidea
- Cretodus semiplicatus
- Hadrodus
- Rhinobatos
The 40 most often recorded, of 175.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.