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.
Show authors, comments, and common names
Ostracoda
 Palaeocopida - Hollinellidae
Hollinella sp.
Hollinella sp. Coryell 1928 ostracod
Trilobita
 Phacopida - Phacopidae
Phacops sp.
Phacops sp. Emmrich 1839 trilobite
 Phacopida - Homalonotidae
Trimerus sp.
Trimerus sp. Green 1832 trilobite
Cephalopoda
 Pseudorthocerida - Spyroceratidae
Spyroceras sp.
Spyroceras sp. Hyatt 1884
 Orthoceratoidea -
Orthocerida indet.
Orthocerida indet. Kuhn 1940
orthocerid
Gastropoda
 Euomphalina - Platyceratidae
Cyclonema sp.
Cyclonema sp. Hall 1852 snail
 Bellerophontida - Plectonotidae
Ptomatis sp.
Ptomatis sp. Clarke 1899 snail
 Bellerophontida - Bucanellidae
Crenistriella sp.
Crenistriella sp. Knight 1945 snail
 Murchisoniina - Eotomariidae
Bembexia sp.
Bembexia sp. Oehlert and Oehlert 1888 snail
 Murchisoniina - Loxonematidae
Loxonema sp.
Loxonema sp. Phillips 1841 snail
 Murchisoniina - Soleniscidae
? Ianthinopsis sp.
? Ianthinopsis sp. Meek and Worthen 1866 snail
originally entered as "? Ianthanopsis sp."
Bivalvia
 Nuculanida - Cucullellidae
Nuculites sp.
Nuculites sp. Conrad 1841 clam
 Nuculanida - Malletiidae
Palaeoneilo sp.
Palaeoneilo sp. Hall and Whitfield 1869 clam
 Ostreida - Pterineidae
Actinopteria sp., "Leiopteria sp." = Leptodesma (Leiopteria), Cornellites sp.
Actinopteria sp. Hall 1884 oyster
"Leiopteria sp." = Leptodesma (Leiopteria) Hall 1883 oyster
Cornellites sp. Williams 1908 oyster
 Pectinida - Pterinopectinidae
Pterinopecten sp.
Pterinopecten sp. Hall 1883 scallop
 Modiomorphida - Modiomorphidae
Goniophora sp.
Goniophora sp. Phillips 1848 clam
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
Rhynchonellata
 Athyridida - Athyrididae
Athyris sp.
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Spiriferida - Spinocyrtiidae
Spinocyrtia sp., Mediospirifer sp.
Spinocyrtia sp.
2 species
Mediospirifer sp.
6 species
 Spiriferida - Spiriferidae
Spirifer sp.
Spirifer sp. Sowerby 1818
2 species
 Spiriferida - Hysterolitidae
Paraspirifer sp.
 Spiriferida - Mucrospiriferidae
Mucrospirifer sp.
Mucrospirifer sp. Grabau 1931
 Spiriferida - Delthyrididae
Delthyris sp.
Delthyris sp. Dalman 1828
  - Tropidoleptidae
Tropidoleptus sp.
 Orthida - Rhipidomellidae
Rhipidomella sp.
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp.
Camarotoechia sp. Hall and Clarke 1893
3 species
 Terebratulida - Stringocephalidae
Subrensselandia sp.
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella sp.
Schuchertella sp. Girty 1904
 Strophomenida - Leptostrophiidae
Protoleptostrophia sp.
 Strophomenida - Rafinesquinidae
Leptaena sp.
Leptaena sp. Dalman 1828
 Strophomenida - Chonetidae
Devonochonetes sp., Retichonetes sp.
Devonochonetes sp. Muir-Wood 1962
3 species
Lingulata
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
more than one species? ('spp.')
Stenolaemata
 Cryptostomata - Fenestellidae
Fenestella sp.
Fenestella sp. Lonsdale 1839
2 species
 Cryptostomata - Acanthocladiidae
Polypora sp.
 Cystoporata -
Cystoporata indet.
Cystoporata indet. Astrova 1964
fistuliporoid bryozoans
 Cystoporida - Sulcoreteporidae
Sulcoretepora sp., Taeniopora sp.
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid columnals
Anthozoa
 Favositida - Favositidae
Favosites sp.
Favosites sp. Lamarck 1816 tabulate coral
 Favositida - Micheliniidae
Pleurodictyum sp.
Pleurodictyum sp. Goldfuss 1829 tabulate coral