Tolo Channel shoreline, north of Sham Chung Wan (Jurassic of Hong Kong)

Where: Hong Kong (22.4° N, 114.3° E: paleocoordinates 32.3° N, 119.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tolo Channel Formation, Early/Lower Sinemurian (196.5 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: paralic; lithified, micaceous, black, carbonaceous shale

• Fossil assemblage of ammonites and plant remains suggests that the sediments were littoral deposits
• Black carbonaceous and micaceous shale and indurated black micaceous mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by P.S. Nau in 1984

• Repository: not stated. Specimens discovered in May of 1984, with a further specimen found during the Geological Society of Hong Kong's field excursion on September 23rd.

Primary reference: P. S. Nau. 1984. Notes on ammonites (Arietitidae) from Sham Chung, Tolo Channel. Geological Society of Hong Kong Newsletter 2(6):6-8 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137808: authorized by Matthew Clapham, entered by Matthew Clapham on 20.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Arietitidae