UCMP loc. B6091, Lead Canyon Section, Mazourka Canyon (Ordovician of the United States)

Where: Inyo County, California (36.9° N, 118.1° W: paleocoordinates 6.8° S, 82.0° W)

• coordinate based on nearby landmark

When: Johnson Spring Formation, Trentonian (457.3 - 449.6 Ma)

• Nodular to massive limestone below the uppermost quartzite of the Johnson Spring formation on the north side of Lead Canyon.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, massive, nodular limestone and quartzite

• Nodular to massive limestone below the uppermost quartzite of the Johnson Spring formation on the north side of Lead Canyon.

Size class: macrofossils

Collected by H. R. Pestana in 1958; reposited in the UCMP

Collection methods: surface (in situ),

Primary reference: H. R. Pestana. 1960. Fossils from the Johnson Spring Formation, Middle Ordovician, Independence Quadrangle, California. Journal of Paleontology 34(5):862-873 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 219335: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Florideophyceae
  - Corallinophycidae
Paleophyllum mazourkensis n. sp.
Paleophyllum mazourkensis n. sp. Pestana 1960
Anthozoa
 Lichenariida - Lichenariidae
? Lichenaria cf. heroensis
 Stauriida - Streptelasmatidae
Streptelasma sp., Streptelasma tennysoni, Grewingkia whitei n. sp.
Streptelasma sp. Hall 1847 horn coral
as "Streptelasma sp. 1" and "Streptelasma sp.3"
Streptelasma tennysoni Pestana 1960 horn coral
Grewingkia whitei n. sp. Pestana 1960 horn coral
Demospongiae
 Lithistida - Anthaspidellidae
Anthaspidella inyoensis n. sp.
Anthaspidella inyoensis n. sp. Pestana 1960 demosponge
Stenolaemata
 Trepostomata - Halloporidae
Hallopora cf. tolli
Hallopora cf. tolli Bassler 1911
Lingulata
 Lingulida - Lingulasmatidae
? Lingulasma sp.