ammonites
Ningchiakou, Mengyin (Jurassic to of China)

Also known as Ningjiagou, Uppsala/Geol. Survey China; Euhelopus zdanskyi type, Ning Chia Kou

Where: Shandong, China (35.9° N, 118.0° E: paleocoordinates 37.8° N, 121.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mengyin Formation, Tithonian to Tithonian (150.8 - 112.0 Ma)

• Fossils from "lower and middle Mengyin Series". Full age range ascribed to the Mengyin Formation is Tithonian to Aptian (but see Wilson and Upchurch 2009).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; green, yellow sandstone and green, yellow siltstone

• "green and yellowish sandstones, marls, silstones, and shales"

Size class: macrofossils

Collected by Metrens, T'an, Andersson, & Zdansky in 1913-1923

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

• Original discovery about 1913 by Father Metrens (Catholic priest), site rediscovered 1922 by Andersson and T'an, then excavated 1923 by Zdansky.

Primary reference: H. C. T'an. 1923. New research on the Mesozoic and early Tertiary geology in Shantung. Geological Survey of China Bulletin 5:95-135 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47070: authorized by Matt Carrano, entered by Matt Carrano on 07.02.2005