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Junction Bed, England, UK

FormationJunction Bed
Member(s)Marlstone Rock Bed
Age:183 - 182 Ma
Early Jurassic
IntervalSpinatum
Lithologylimestone
Number of Collections3
Number of Occurrences5

Recorded Sample Locations

LocationRegionStratigraphic Name
ILM-KP1South Somerset, Somerset, England, UKJunction Bed - Marlstone Rock Bed
Between Seatown and Eype MouthSymondsbury, West Dorset, Dorset, England, UKJunction Bed
Ilminster South Somerset, Somerset, England, UKJunction Bed

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Beacon Limestone182 - 174 Ma
Jurassic
limestone18
Beacon Limestone - Barrington180 - 176 Ma
Early Jurassic
marl, marl/"limestone", marl/lime mudstone, claystone/"limestone"134
Down Cliff190 - 183 Ma
Early Jurassic
sandstone3
Junction Bed - Marlstone Rock Bed190 - 183 Ma
Early Jurassic
sandstone/"limestone"9
Marlstone Rock190 - 183 Ma
Early Jurassic
limestone24
Marlstone Rock-bed190 - 183 Ma
Early Jurassic
limestone9
Thorncombe190 - 183 Ma
Early Jurassic
sandstone5

Recorded Fossils

Accepted NameHierarchyAge
Cytherelloidea sp.
genus
6Animalia : Arthropoda : Ostracoda : Platycopina : Cytherellidae : Cytherelloidea189.6 - 183 Ma
Early Jurassic
Ogmoconcha sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Healdiidae : Ogmoconcha189.6 - 183 Ma
Early Jurassic
Ogmoconchella sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Healdiidae : Ogmoconchella189.6 - 183 Ma
Early Jurassic
Trachycythere sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Trachycythere189.6 - 183 Ma
Early Jurassic
Gramannicythere sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Loxoconchidae : Gramannicythere189.6 - 183 Ma
Early Jurassic
Kinkelinella sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Progonocytheridae : Kinkelinella189.6 - 183 Ma
Early Jurassic
Kinkelinella (Ektyphocythere) sp.
subgenus
6.3Animalia : Arthropoda : Ostracoda : Podocopida : Protocytheridae : Kinkelinella : Kinkelinella (Ektyphocythere)189.6 - 183 Ma
Early Jurassic
Cardobairdia sp.
genus
6Animalia : Arthropoda : Ostracoda : Podocopida : Bairdiidae : Cardobairdia189.6 - 183 Ma
Early Jurassic
Pseudogibbirhynchia moorei
species
7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Basiliolidae : Pseudogibbirhynchia : Pseudogibbirhynchia moorei183 - 182 Ma
Early Jurassic
Nannirhynchia pygmaea
species
7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Norellidae : Nannirhynchia : Nannirhynchia pygmaea183 - 182 Ma
Early Jurassic
Homoeorhynchia acuta
species
7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchonellidae : Homoeorhynchia : Homoeorhynchia acuta189.6 - 183 Ma
Early Jurassic
Zeilleria elliotti
species
7Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Zeilleriidae : Zeilleria : Zeilleria elliotti189.6 - 183 Ma
Early Jurassic

References

Ager D. V. (1956) Some new Liassic terebratuloids, Proceedings of the Geologists' Association 67, 1-14
Ager D. V. (1956) , A Monograph of the British Liassic Rhynchonellidae, Part I, 1-50
Ager D. V. (1962) , A Monograph of the British Liassic Rhynchonellidae, Part III, 85-136
Ager D. V. (1967) , A Monograph of the British Liassic Rhynchonellidae, Part IV, 137-172
Boomer I. (1992) Lower Jurassic ostracods from Ilminster, Somerset, England, Journal of Micropalaeontology 11 1, 47-57
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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