Littoral community, Mahantango Fm. (Montebello Sandstone Mbr.) (Devonian of the United States)

Where: Perry County, Pennsylvania (40.5° N, 77.3° W: paleocoordinates 39.1° S, 25.6° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Montebello Sandstone Member (Mahantango Formation), Givetian (387.7 - 382.7 Ma)

Environment/lithology: transition zone or lower shoreface; sandstone and siltstone

• "well winnowed quartzites; siltstone, sandstone, congl., biostromes; x-bedding and scour and fill. shallow (marginal) high energy- continually shifting sands. BA1-2"

Size class: macrofossils

Primary reference: R. L. Ellison. 1965. Stratigraphy and Paleontology of the Mahantango Formation in south-central Pennsylvania. Pennsylvania Geological Survey Bulletin G48 1-298 [A. Miller/K. Layou]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 669: authorized by Arnold Miller, entered by Mike Sommers on 06.04.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "R.L. Ellison, 1965. Strat and Paleo of the Mahantango Fm. in south-central PA. Penn. Geol. Surv. Bull. G48, 298pp." This reference listed abundances in terms of the "number of horizons found within" which has not been included in the taxonomic list for this locality.
Anthozoa
 Favositida - Micheliniidae
Pleurodictyum sp. Goldfuss 1829 tabulate coral
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid columnals
Ostracoda
 Palaeocopida - Hollinellidae
Hollinella sp. Coryell 1928 ostracod
Trilobita
 Phacopida - Phacopidae
Phacops sp. Emmrich 1839 trilobite
 Phacopida - Homalonotidae
Trimerus sp. Green 1832 trilobite
Rhynchonellata
 Terebratulida - Stringocephalidae
 Spiriferinida - Cyrtinidae
Cyrtina sp. Davidson 1858
 Athyridida - Athyrididae
  - Tropidoleptidae
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
3 species
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp. Grabau 1931
 Spiriferida - Hysterolitidae
 Spiriferida - Delthyrididae
Delthyris sp. Dalman 1828
 Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
2 species
 Spiriferida - Spinocyrtiidae
Spinocyrtia sp.
2 species
Mediospirifer sp.
6 species
 Orthida - Rhipidomellidae
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella sp. Girty 1904
 Strophomenida - Chonetidae
Devonochonetes sp. Muir-Wood 1962
3 species
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Leptostrophiidae
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
more than one species? ('spp.')
Stenolaemata
 Cystoporida - Sulcoreteporidae
 Cystoporata -
Cystoporata indet. Astrova 1964
fistuliporoid bryozoans
 Cryptostomata - Acanthocladiidae
 Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
2 species
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras sp. Hyatt 1884
 Orthoceratoidea -
Orthocerida indet. Kuhn 1940
orthocerid
Bivalvia
 Nuculanida - Cucullellidae
Nuculites sp. Conrad 1841 clam
 Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869 clam
 Modiomorphida - Modiomorphidae
Goniophora sp. Phillips 1848 clam
 Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883 scallop
 Ostreida - Pterineidae
Cornellites sp. Williams 1908 oyster
"Leiopteria sp." = Leptodesma (Leiopteria) Hall 1883 oyster
Actinopteria sp. Hall 1884 oyster
Gastropoda
 Bellerophontida - Bucanellidae
Crenistriella sp. Knight 1945 snail
 Bellerophontida - Plectonotidae
Ptomatis sp. Clarke 1899 snail
 Euomphalina - Platyceratidae
Cyclonema sp. Hall 1852 snail
 Murchisoniina - Soleniscidae
? Ianthinopsis sp. Meek and Worthen 1866 snail
originally entered as "? Ianthanopsis sp."
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail
 Murchisoniina - Eotomariidae
Bembexia sp. Oehlert and Oehlert 1888 snail