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Antalo Limestone

FormationAntalo Limestone
Age:164 - 145 Ma
Jurassic
IntervalCallovian - Oxfordian
Lithologylimestone
Number of Collections5
Number of Occurrences50

Recorded Sample Locations

LocationRegionStratigraphic Name
K 223 Alaita HillAfar Region, EthiopiaAntalo Limestone
K 198 Danakil AlpsSouthern Red Sea Region, EritreaAntalo Limestone
K 117 Danakil AlpsSouthern Red Sea Region, EritreaAntalo Limestone
Agula-DongoloTigray Region, EthiopiaAntalo Limestone
MugherNorth Shewa Zone, Oromia Region, EthiopiaAntalo Limestone

Recorded Fossils

Accepted NameHierarchyAge
Serpula sp.
genus		6Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Serpula166.1 - 157.3 Ma
Jurassic
Serpula conformis
species		7Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Serpula : Serpula conformis166.1 - 157.3 Ma
Jurassic
Rhynchonellida
order		4Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida166.1 - 157.3 Ma
Jurassic
Somalirhynchia sp.
genus		6Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia166.1 - 157.3 Ma
Jurassic
Somalirhynchia africana
species		7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia : Somalirhynchia africana166.1 - 157.3 Ma
Jurassic
Somalirhynchia bihendulensis
species		7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia : Somalirhynchia bihendulensis166.1 - 157.3 Ma
Jurassic
Somalirhynchia bihenensis
species		7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia : Somalirhynchia bihenensis166.1 - 157.3 Ma
Jurassic
Somalirhynchia smelliei
species		7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia : Somalirhynchia smelliei166.1 - 157.3 Ma
Jurassic
Somalirhynchia somalica
species		7Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Tetrarhynchiidae : Somalirhynchia : Somalirhynchia somalica166.1 - 157.3 Ma
Jurassic
Terebratulida
order		4Animalia : Brachiopoda : Rhynchonellata : Terebratulida166.1 - 157.3 Ma
Jurassic
Kutchithyris sp.
genus		6Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Postepithyrididae : Kutchithyris166.1 - 157.3 Ma
Jurassic
Stylina sp.
genus		6Animalia : Cnidaria : Anthozoa : Scleractinia : Stylinidae : Stylina166.1 - 157.3 Ma
Jurassic
Echinodermata
phylum		2Animalia : Echinodermata166.1 - 157.3 Ma
Jurassic
Cidaroida
order		4Animalia : Echinodermata : Echinoidea : Cidaroida163.5 - 157.3 Ma
Jurassic
Hemicidaris abyssinica
species		7Animalia : Echinodermata : Echinoidea : Hemicidaridae : Hemicidaris : Hemicidaris abyssinica163.5 - 157.3 Ma
Jurassic
Recrosalenia somaliensis
species		7Animalia : Echinodermata : Echinoidea : Phymosomatoida : Heterodiadematidae : Recrosalenia : Recrosalenia somaliensis166.1 - 157.3 Ma
Jurassic
Tancredia sp.
genus		6Animalia : Mollusca : Bivalvia : Cardiida : Tancrediidae : Tancredia163.5 - 157.3 Ma
Jurassic
Tellina sp.
genus		6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina163.5 - 157.3 Ma
Jurassic
Musculus somaliensis
species		7Animalia : Mollusca : Bivalvia : Mytilida : Crenellidae : Musculus : Musculus somaliensis166.1 - 157.3 Ma
Jurassic
Arcomytilus laitmairensis
species		7Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Arcomytilus : Arcomytilus laitmairensis166.1 - 157.3 Ma
Jurassic
Falcimytilus tigrensis
species		7Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Falcimytilus : Falcimytilus tigrensis163.5 - 157.3 Ma
Jurassic
Modiolus sp.
genus		6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus163.5 - 157.3 Ma
Jurassic
Modiola imbricata
species		7Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus : Modiola imbricata163.5 - 157.3 Ma
Jurassic
Gryphaea sp.
genus		6Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Gryphaea163.5 - 157.3 Ma
Jurassic
Nanogyra (Nanogyra) nana
species		7Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Nanogyra : Nanogyra (Nanogyra) nana166.1 - 157.3 Ma
Jurassic
Lopha sp.
genus		6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Lopha166.1 - 157.3 Ma
Jurassic
Ostrea sp.
genus		6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea163.5 - 157.3 Ma
Jurassic
Actinostreon gregareum
species		7Animalia : Mollusca : Bivalvia : Ostreida : Palaeolophidae : Actinostreon : Actinostreon gregareum166.1 - 157.3 Ma
Jurassic
Pecten sp.
genus		6Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Pecten163.5 - 157.3 Ma
Jurassic
Ceratomya sp.
genus		6Animalia : Mollusca : Bivalvia : Myida : Ceratomyidae : Ceratomya163.5 - 157.3 Ma
Jurassic
Ceromya concentrica
species		7Animalia : Mollusca : Bivalvia : Pholadida : Ceratomyidae : Ceratomya : Ceromya concentrica163.5 - 157.3 Ma
Jurassic
Pholadomya sp.
genus		6Animalia : Mollusca : Bivalvia : Pholadomyidae : Pholadomya163.5 - 157.3 Ma
Jurassic
Pholadomya granulifera
species		7Animalia : Mollusca : Bivalvia : Pholadomyidae : Pholadomya : Pholadomya granulifera163.5 - 157.3 Ma
Jurassic
Pholadomya sublirata
species		7Animalia : Mollusca : Bivalvia : Pholadomyidae : Pholadomya : Pholadomya sublirata163.5 - 157.3 Ma
Jurassic
Trigonia sp.
genus		6Animalia : Mollusca : Bivalvia : Trigoniida : Trigoniidae : Trigonia163.5 - 157.3 Ma
Jurassic
Arctica sp.
genus		6Animalia : Mollusca : Bivalvia : Venerida : Arcticidae : Arctica163.5 - 157.3 Ma
Jurassic
Glossus sp.
genus		6Animalia : Mollusca : Bivalvia : Venerida : Glossidae : Glossus163.5 - 157.3 Ma
Jurassic
Paracenoceras prohexagonum
species		7Animalia : Mollusca : Cephalopoda : Nautilida : Paracenoceratidae : Paracenoceras : Paracenoceras prohexagonum167.7 - 164.7 Ma
Middle Jurassic
Dicroloma sp.
genus		6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Dicroloma163.5 - 157.3 Ma
Jurassic
Natica sp.
genus		6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Natica163.5 - 157.3 Ma
Jurassic
Cerithium sp.
genus		6Animalia : Mollusca : Gastropoda : Cerithiidae : Cerithium163.5 - 157.3 Ma
Jurassic
Milleporidium sp.
genus		6Animalia : Porifera : Demospongiae : Axinellida : Milleporidium166.1 - 157.3 Ma
Jurassic

References

Blanford W. T. , Observations on the Geology and Zoology of Abyssinia
Jordan R. (1971) Megafossilien des Jura aus dem Antalo-Kalk von Nord-Äthiopien [Jurassic megafossils from the Antalo Limestone of northern Ethiopia], Beihefte zum Geologischen Jahrbuch 116, 141-171
Kiessling W., Pandey D. K., et al (2011) Marine benthic invertebrates from the Upper Jurassic of northern Ethiopia and their biogeographic affinities, Journal of African Earth Sciences 59, 195-214 doi:doi:10.1016/j.jafrearsci.2010.10.006
Jain S. (2019) First Bathonian (Middle Jurassic) nautiloid Paracenoceras Spath from Ethiopia, Journal of African Earth Sciences 149, 84-96
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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