Merstham (Bed 2): Early/Lower Turonian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Scleractinia
- Micrabaciidae
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Micrabacia coronula
(Goldfuss 1826)
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Chondrichthyes
- Lamniformes
- Mitsukurinidae
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Scapanorhynchus rhaphiodon
(Agassiz 1843)
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| recombined as Lamna raphiodon | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Ptychodontidae
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Ptychodus decurrens
Agassiz 1838
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris hirudo
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Cidaris perornata
Forbes 1850
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Echinoidea
- Holectypoida
- Discoididae
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Discoides minima
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| originally entered as "Discoidea minima" | ||||||||||
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Asteroidea
- Valvatida
- Goniasteridae
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Crateraster quinqueloba
(Goldfuss 1833)
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Calliderma smithiae
(Forbes 1848)
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Asteroidea
- Valvatida
- Stauranderasteridae
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Stauranderaster sp.
Spencer 1907
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina striatula
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Terebratulina cf. nodulosa
Etheridge 1881
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| originally entered as "Terebratulina cf. nodulosa" | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Basiliolidae
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Orbirhynchia multicostata
Pettitt 1954
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Rhynchonellata
- Rhynchonellida
- Norellidae
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Rhynchonella lineolata
(Phillips 1829)
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| recombined as Monticlarella lineolata | ||||||||||
| "lineolata carteri" - originally entered as "Rhynchonella" lineolata carteri" | ||||||||||
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium sp.
Linnaeus 1758
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Bivalvia
- Arcida
- Parallelodontidae
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Grammatodon cf. cenomanense
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| originally entered as "Grammatadon cf. cenomanense" | ||||||||||
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus pictus
Sowerby 1829
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| recombined as Inoceramus (Inoceramus) pictus | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Ostrea vesicularis
Lamarck 1806
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| recombined as Pycnodonta vesicularis | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Aequipecten beaveri
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Bivalvia
- Pectinida
- Terquemiidae
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Spondylus latus
Klipstein 1843
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| synonym of Newaagia obliquus | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula barriosi
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Bivalvia
- Pectinida
- Entoliidae
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Entolium orbiculare
(Sowerby 1817)
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| synonym of Syncyclonema nilsoni | ||||||||||
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Entolium membranaceum
(Nilsson 1827)
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| recombined as Pecten (Syncyclonema) membranaceus | ||||||||||
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Bivalvia
- Pholadida
- Teredinidae
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Teredo amphisbaena
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Bivalvia
- Cardiida
- Cardiidae
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Protocardia hillana
(Sowerby 1813)
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Bivalvia
- Nuculida
- Nuculidae
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Nucula sp.
Lamarck 1799
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Cephalopoda
- Ammonitida
- Scaphitidae
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Scaphites equalis
Sowerby 1813
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Calycoceras sp.
Hyatt 1900
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Metoicoceras geslinianum
(d'Orbigny 1841)
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| originally entered as "Metiococeras geslinianum" | ||||||||||
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Gastropoda
- Trochidae
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Solarium sp.
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| spelled with current rank as Trochus (Solarium) | ||||||||||
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Gastropoda
- Cerithiidae
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Cerithium sp.
Bruguière 1789
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Gastropoda
- Aporrhaidae
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Aporrhais sp.
da Costa 1778
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Malacostraca
- Decapoda
- Erymidae
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Enoploclytia sp.
M'Coy 1849
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| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England |
| Coordinates: | 51.3° North, 0.2° West (view map) | ||
| Paleocoordinates: | 40.9° North, 1.5° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| *Period: | Middle Cretaceous - Late/Upper Cretaceous | *Epoch: | Gallic |
| *International age/stage: | Early/Lower Turonian - Early/Lower Turonian | ||
| Key time interval: | Early/Lower Turonian | Ammonoid zone: | Metoicoceras geslinianum |
| Age range of interval: | 93.90000 - 89.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Holywell Nodular Chalk | Member: | Plenus Marls |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified lime mudstone |
| Secondary lithology: | "carbonate" |
| Environment: | carbonate indet. |
| Geology comments: Marls and marly chalks. | |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | bulk,surface (in situ),mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Merstham, England (Bed 2) | ||
| Database number: | 4072 | ||
| Authorizer: | C. Marshall | Enterer: | S. Low |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1999-08-13 22:56:45 | Last modified: | 2024-04-22 21:52:35 |
| Access level: | the public | Released: | 1999-08-13 22:56:45 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 245. | R. P. S. Jefferies. 1961. The palaeoecology of the Actinocamax plenus subzone (lowest Turonian) in the Anglo-Paris basin. Palaeontology 4(4):609-647 [C. Marshall/S. Low/J. Alroy] |