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Roca

Formation	Roca
Age:	66.0 - 61.6 Ma Paleocene
Interval	Danian
Lithology	marl, "limestone", wackestone, framestone, "shale", "carbonate"
Number of Collections	9
Number of Occurrences	79

Recorded Sample Locations

Location	Region	Stratigraphic Name
Cerros Bayos	Puelén Department, La Pampa Province, Argentina	Roca
General Roca	General Roca Department, Río Negro Province, Argentina	Roca
Puesto Sin Nombre	Añelo Department, Neuquén Province, Argentina	Roca
Barda Baya	Puelén Department, La Pampa Province, Argentina	Roca
Puesto Pircala	Malargüe Department, Mendoza Province, Argentina	Roca
Paso Loncoche	Malargüe Department, Mendoza Province, Argentina	Roca
Lomita Baya	Puelén Department, La Pampa Province, Argentina	Roca
Middle Creek	Chase County, Kansas, USA	Roca
Arroyo Verde	Biedma Department, Chubut Province, Argentina	Roca

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Malargüe - Jagüel	66.0 - 61.6 Ma Paleocene	mudstone, sandstone, siltstone, mudstone/siltstone	949

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Psilonichnus sp. genus	6	*Psilonichnus*	66 - 61.6 Ma Paleocene
Thalassinoides sp. genus	6	*Thalassinoides*	66 - 61.6 Ma Paleocene
Cirripedia subclass	3.3	Animalia : Arthropoda : Maxillopoda : Cirripedia	66 - 61.6 Ma Paleocene
Callianassa sp. genus	6	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : *Callianassa*	66 - 61.6 Ma Paleocene
Callianassa burckhardti species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa : *Callianassa burckhardti*	66 - 61.6 Ma Paleocene
Protocallianassa sp. genus	6	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : *Protocallianassa*	66 - 61.6 Ma Paleocene
Ctenocheles sp. genus	6	Animalia : Arthropoda : Malacostraca : Decapoda : Ctenochelidae : *Ctenocheles*	66 - 61.6 Ma Paleocene
Palaeopinnixa rocaensis species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Hexapodidae : Palaeopinnixa : *Palaeopinnixa rocaensis*	66 - 61.6 Ma Paleocene
Hoploparia sp. genus	6	Animalia : Arthropoda : Malacostraca : Decapoda : Nephropidae : *Hoploparia*	66 - 61.6 Ma Paleocene
Glyphithyreus sp. genus	6	Animalia : Arthropoda : Malacostraca : Decapoda : Belliidae : *Glyphithyreus*	66 - 61.6 Ma Paleocene
Proterocarcinus lophos species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Potamidae : Proterocarcinus : *Proterocarcinus lophos*	66 - 61.6 Ma Paleocene
Costacopluma australis species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Goneplacidae : Costacopluma : *Costacopluma australis*	66 - 61.6 Ma Paleocene
Lobonotus lobulata species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Tumidocarcinidae : Lobonotus : *Lobonotus lobulata*	66 - 61.6 Ma Paleocene
Xanthilites gerthi species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Tumidocarcinidae : Xanthilites : *Xanthilites gerthi*	66 - 61.6 Ma Paleocene
Euclastes meridionalis species	7	Animalia : Chordata : Reptilia : Testudines : Pancheloniidae : Euclastes : *Euclastes meridionalis*	66 - 61.6 Ma Paleocene
Haimesiastraea conferta species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Columastraeidae : Haimesiastraea : *Haimesiastraea conferta*	66 - 61.6 Ma Paleocene
Cladocora gracilis species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Faviidae : Cladocora : *Cladocora gracilis*	66 - 61.6 Ma Paleocene
Siderastrea adkinsi species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Siderastreidae : Siderastrea : *Siderastrea adkinsi*	66 - 61.6 Ma Paleocene
Sideroseris durhami species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Siderastreidae : Sideroseris : *Sideroseris durhami*	66 - 61.6 Ma Paleocene
Subarrectocrinus perexcavatus species	7	Animalia : Echinodermata : Crinoidea : Catacrinidae : Subarrectocrinus : *Subarrectocrinus perexcavatus*	298.9 - 295.5 Ma Paleozoic
Gauthieria sp. genus	6	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Phymosomatidae : *Gauthieria*	66 - 61.6 Ma Paleocene
Micropsis sp. genus	6	Animalia : Echinodermata : Echinoidea : Phymosomatoida : Phymosomatidae : *Micropsis*	66 - 61.6 Ma Paleocene
Pygopistes sp. genus	6	Animalia : Echinodermata : Echinoidea : Pygaulidae : *Pygopistes*	66 - 61.6 Ma Paleocene
Schizaster sp. genus	6	Animalia : Echinodermata : Echinoidea : Spatangoida : Schizasteridae : *Schizaster*	66 - 61.6 Ma Paleocene
Gomphechinus sp. genus	6	Animalia : Echinodermata : Echinoidea : Phymosomatoida : *Gomphechinus*	66 - 61.6 Ma Paleocene
Venericardia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Venericardia*	66 - 61.6 Ma Paleocene
Venericardia ameghinorum species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia ameghinorum*	66 - 61.6 Ma Paleocene
Panopea sp. genus	6	Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : *Panopea*	72.1 - 66 Ma Late/Upper Cretaceous
Neilo ornata species	7	Animalia : Mollusca : Bivalvia : Nuculanida : Neilo : *Neilo ornata*	66 - 61.6 Ma Paleocene
Nucula (Leionucula) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Nucula : *Nucula (Leionucula)*	66 - 61.6 Ma Paleocene
Rastellum sp. genus	6	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : *Rastellum*	72.1 - 66 Ma Late/Upper Cretaceous
Gryphaeostrea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : *Gryphaeostrea*	66 - 61.6 Ma Paleocene
Odontogryphaea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Odontogryphaea*	66 - 61.6 Ma Paleocene
Ostrea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Ostrea*	66 - 61.6 Ma Paleocene
Pinna sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : *Pinna*	66 - 61.6 Ma Paleocene
Paranomia sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : *Paranomia*	72.1 - 66 Ma Late/Upper Cretaceous
Acesta sp. genus	6	Animalia : Mollusca : Bivalvia : Limida : Limidae : *Acesta*	66 - 61.6 Ma Paleocene
Camptonectes sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Camptonectes*	72.1 - 66 Ma Late/Upper Cretaceous
Chlamys sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Chlamys*	66 - 61.6 Ma Paleocene
Pterotrigonia sp. genus	6	Animalia : Mollusca : Bivalvia : Trigoniida : Megatrigoniidae : *Pterotrigonia*	72.1 - 66 Ma Late/Upper Cretaceous
Aphrodina sp. genus	6	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : *Aphrodina*	66 - 61.6 Ma Paleocene
Cimomia camachoi species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Cimomia : *Cimomia camachoi*	66 - 61.6 Ma Paleocene
Hercoglossa romeroi species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Hercoglossa : *Hercoglossa romeroi*	66 - 61.6 Ma Paleocene
Hercoglossa walteri species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Hercoglossidae : Hercoglossa : *Hercoglossa walteri*	66 - 61.6 Ma Paleocene
Eutrephoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : *Eutrephoceras*	66 - 61.6 Ma Paleocene
Gastropoda class	3	Animalia : Mollusca : Gastropoda	66 - 61.6 Ma Paleocene
Rostellaria (Fusus) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Strombidae : Tibia : *Rostellaria (Fusus)*	66 - 61.6 Ma Paleocene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	66 - 61.6 Ma Paleocene
Foraminifera phylum	2	Foraminifera	66 - 61.6 Ma Paleocene
Parachaetetes asvapatii species	7	Plantae : Rhodophyta : Florideophyceae : Gigartinales : Parachaetetes : *Parachaetetes asvapatii*	66 - 61.6 Ma Paleocene

References

Pabian R. K., Strimple H. L. (1974) Crinoid Studies Part I. Some Pennsylvanian crinoids from Nebraska. Part II. Some Permian crinoids from Nebraska, Kansas, and Oklahoma, Bulletins of American Paleontology 64 281, 247-337

Feldmann R. M., Casadio S., et al (1995) Fossil decapod crustaceans from the Jaguel and Roca Formations (Maastrichtian-Danian) of the Neuquen Basin, Argentina, Journal of Paleontology 69 5 II, 1-22

Casadío S., Rodriguez M. F., et al (1999) Tertiary nautiloids from Patagonia, southern Argentina, Ameghiniana 36, 189-202

de la Fuente M., Casadio S. (2000) Un nuevo osteopigino (Chelonii: Cryptodira) de la Formación Roca (Paleoceno inferior) de Cerros Bayos, provincia de La Pampa, Argentina, Ameghiniana 37 2, 235-246

Baron-Szabo R. C., Casadio S., et al (2004) First shallow water scleractinian coral reef from the Danian, northern Patagonia, Argentina, Ameghiniana 40, R 79

Parma S. G., Casadio S. (2005) Upper Cretaceous-Paleocene Echinoids from Northern Patagonia, Argentina, Journal of Paleontology 79 6, 1072-1087

Carrera M. G., Casadío S. (2016) Solenoporacean red algae from lower Danian (Paleogene) coral reefs of northern Patagonia, La Pampa, Argentina, Ameghiniana 53 5, 623-628

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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