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Mesilla Valley Shale, Juárez Municipality, Chihuahua, Mexico

Formation	Mesilla Valley Shale
Age:	105 - 100 Ma Cretaceous
Interval	Late Albian
Lithology	shale/"limestone"
Number of Collections	1
Number of Occurrences	13

Recorded Sample Locations

Location	Region	Stratigraphic Name
Finlay	Juárez Municipality, Chihuahua, Mexico	Mesilla Valley Shale

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Buda Limestone	93.5 - 66.0 Ma Late/Upper Cretaceous	limestone, sandstone	187
Del Norte	109 - 99.6 Ma Cretaceous	claystone/"limestone"	16
Finlay	109 - 99.6 Ma Cretaceous	limestone/"shale"	7
Muleros	105 - 99.6 Ma Cretaceous	limestone/"shale"	7
Smeltertown	109 - 99.6 Ma Cretaceous	shale	13

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Serpulidae family	5	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae	105.3 - 99.6 Ma Cretaceous
Brachiopoda phylum	2	Animalia : Brachiopoda	105.3 - 99.6 Ma Cretaceous
Budaia sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Amphiastraeidae : *Budaia*	105.3 - 99.6 Ma Cretaceous
Caryophyllia comanchei species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Caryophyllia : *Caryophyllia comanchei*	105.3 - 99.6 Ma Cretaceous
Smilotrochus cenomanus species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Smilotrochus : *Smilotrochus cenomanus*	105.3 - 99.6 Ma Cretaceous
Kobyphyllia straini species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Faviidae : Kobyphyllia : *Kobyphyllia straini*	105.3 - 99.6 Ma Cretaceous
Palaeopsammia zitteli species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Guyniidae : Palaeopsammia : *Palaeopsammia zitteli*	105.3 - 99.6 Ma Cretaceous
Trochosmilia stainbrooki species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochosmilia : *Trochosmilia stainbrooki*	105.3 - 99.6 Ma Cretaceous
Conicosmilotrochus sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Parasmiliidae : *Conicosmilotrochus*	105.3 - 99.6 Ma Cretaceous
Echinoidea class	3	Animalia : Echinodermata : Protocidaris : Echinoidea	105.3 - 99.6 Ma Cretaceous
Texigryphaea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : *Texigryphaea*	105.3 - 99.6 Ma Cretaceous
Pterotrigonia sp. genus	6	Animalia : Mollusca : Bivalvia : Trigoniida : Megatrigoniidae : *Pterotrigonia*	105.3 - 99.6 Ma Cretaceous
Gastropoda class	3	Animalia : Mollusca : Gastropoda	105.3 - 99.6 Ma Cretaceous

References

Turnsek D., LeMone D. V., et al (2003) Tethyan Albian corals, Cerro de Cristo Rey Uplift, Chihuahua and New Mexico, Cretaceous Stratigraphy and Paleoecology, Texas and Mexico: Perkins Memorial Volume. Gulf Coast Section Society of Economic Paleontologists and Mineralogists Foundation, Special Publications in Geology 1, 147-185

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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