unit 11, Montebello Member, Mahantango Fm., Dromgold, PA (Devonian of the United States)

Where: Pennsylvania (40.3° N, 77.2° W: paleocoordinates 39.2° S, 25.5° W)

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; graded, gray sandstone

• sandstone, fine-grained, medium to light gray, crossbedded in 1-4 foot beds, grades upward into a coarse-grained sandstone

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 9705: authorized by Arnold Miller, entered by Karen Layou on 14.01.2001

Creative Commons license: CC BY (attribution)

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 - Spinocyrtiidae
 Terebratulida - Stringocephalidae