Unit 1 (11 ft. below top), upper shale member, Mahantango Fm., Amity Hall, PA (Devonian of the United States)

Where: Pennsylvania (40.4° N, 77.0° W)

• Paleocoordinates: 33.5° S, 45.4° W (Wright 2013)

• small collection-level geographic resolution

When: Upper shale Member (Mahantango Formation), Givetian (387.7 - 382.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray shale

• shale, medium dark gray to dark greenish gray

Collection methods: surface (in situ),

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: paleoecologic analysis

PaleoDB collection 9915: authorized by Arnold Miller, entered by Karen Layou on 30.01.2001

Creative Commons license: CC0 (CC0)

Taxonomic list

• Relative abundance info: present (1 specimen collected), common (2-10 specimens collected), abundant (more than 10 specimens collected), very abundant (sample extremely rich in a given species)
Rhynchonellata
 Spiriferida -
Pustulatia pustulosa Hall 1860
present
Bivalvia
 Carditida - Eodonidae
"Cypricardella bellastriata" = Eodon bellastriatus
"Cypricardella bellastriata" = Eodon bellastriatus Conrad 1842 clam
present
 Nuculanida - Malletiidae
Palaeoneilo constricta Conrad 1842 clam
present [entered as Paleoneilo constricta]
Trilobita
 Phacopida - Phacopidae
"Phacops rana" = Eldredgeops rana
"Phacops rana" = Eldredgeops rana Green 1832 trilobite
present