Sesong (Ordovician of South Korea)

Also known as Maggol Fm., Taebaeksan Basin

Where: Kangweondo (Gangwon-do), South Korea (37.2° N, 128.9° E: paleocoordinates 5.8° S, 132.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Maggol Formation (Taebaek Group), Llanvirn (466.0 - 460.9 Ma)

• Horizon equivalent to bed 741 of the Sanaegol section (see PBDB coll. 89518), about 2 m below base of Jigunsan Fm. (see Yun, 1999 fig. 2). The Maggol Formation is a subunit of the Taebaek Group and its uppermost part is Llanvirnian in age (see Kwon, 2005, Geosci. J. 9(4)).

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; shelly/skeletal limestone

• Environment entered here is the same as in PBDB coll. 89518
• No particular data are given about the section of the Maggol Fm. at Sesong. Lithology entered here is the same as in PBDB coll. 89518

Size class: macrofossils

Preservation: cast, recrystallized, replaced with calcite

Collection methods: KPE = Department of Earth Science, Teachers College, Kyungpook National University, Taegu, South Korea

Primary reference: C.-S. Yun. 1999. Ordovician cephalopods from the Maggol Formation of Korea. Paleontological Research 3(3):202-221 [B. Kröger/T. Liebrecht/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89519: authorized by Björn Kröger, entered by Torsten Liebrecht on 27.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Actinocerida - Ormoceratidae
Ormoceras weoni
KPE 20274 (or 20330)