Holywell Nodular Chalk
50 distinct taxa, from 84 fossil occurrences the Paleobiology Database records under this name, spanning 101–66 Mya.
England · UK
50 taxa · 84 fossils · 101–66 MyaFiled under the Chalk Group. Members recorded: Plenus Marls, Melbourn Rock, Plenus Marl.
Macrostrat places this rock in the White Chalk Subgroup, in the Chalk Group, and dates it 101–90 Ma. Macrostrat’s own record
Loading coastlines…
7 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
- Mytiloides
- Inoceramus (Inoceramus) pictus
- Orbirhynchia multicostata
- Aequipecten
- Calycoceras
- Crateraster quinqueloba
- Enoploclytia
- Entolium membranaceum
- Entolium orbiculare
- Hirudocidaris
- Metoicoceras geslinianum
- Micrabacia coronula
- Monticlarella lineolata
- Mytiloides labiatus
- Mytiloides mytiloides
- Newaagia obliquus
- Orbirhynchia
- Plicatula
- Ptychodus decurrens
- Pycnodonta vesicularis
- Scapanorhynchus raphiodon
- Sciponoceras bohemicum
- Stauranderaster
- Terebratulina nodulosa
- Terebratulina striatula
- Teredo
- Aporrhais
- Calliderma
- Calliderma smithiae
- Cerithium
- Cidaris
- Cidaris perornata
- Coniasaurus crassidens
- Cretiscalpellum glabrum
- Ctenothrissa
- Dentalium
- Discoides
- Grammatodon
- Holaster
- Lima
The 40 most often recorded, of 50.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.