USGS loc. M83, northwest side of Parker Rock, Klamath Mountains (Silurian of the United States)

Also known as Reef 2408; Lovers Leap area

Where: Siskiyou County, California (41.4° N, 122.7° W: paleocoordinates 6.5° S, 67.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gazelle Formation, Ludlow (427.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, conglomeratic limestone

• Limestone cobbles with silicified fossils in conglomerate associated with Halysites-bearing limestone.

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USGS

Collection methods: peel or thin section,

Primary reference: C. W. Merriam. 1972. Silurian rugose corals of the Klamath Mountains region, California. United States Geological Survey Professional Paper 738:1-50 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 229624: authorized by Jonathan Marcot, entered by Jonathan Marcot on 20.03.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

 Conocardiida - Conocardiidae
Conocardium sp. Bronn 1835
 Neoloricata - Gryphochitonidae
Gryphochitonidae indet. Pilsbury 1900 chiton
"Gryphochitonid plates"
 Murchisoniina - Lophospiridae
Eunema cf. strigillatum Salter 1859 snail
 Euomphalina - Planitrochidae
Rotellomphalus cf. tardus Perner 1903 snail
 Euomphalina - Holopeidae
Raphispira cf. plena Perner 1903 snail
 Protobranchia - Malletiidae
Malletiidae indet. Adams and Adams 1858 clam
"Nuculites or Palaeoneilo"