Chica de Zonda range, Zonda Gulch, Argentina (Cambrian of Argentina)

Where: Argentina (31.6° S, 68.7° W: paleocoordinates 42.5° S, 125.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Soldano Member (La Laja Formation), Solvan (510.2 - 504.5 Ma)

• Early Middle Cambrian

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified lime mudstone and lithified packstone

Size classes: macrofossils, mesofossils

Collection methods: quarrying,

Primary reference: M. S. Beresi and J. K. Rigby. 1994. Sponges and chancelloriids from the Cambrian of western Argentina. Journal of Paleontology 68(2):208-217 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56545: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 21.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Hexactinellida
 Reticulosa - Protospongiidae
Kiwetinokia ? utahensis Walcott 1920 glass sponge
Demospongiae
 Lithistida - Anthaspidellidae
Anthaspidellidae indet. Miller 1889 demosponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria eros Walcott 1920
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
Trilobita
 Corynexochida - Dorypygidae
Kootenia sp. Walcott 1899 trilobite