Where: Mexico (30.4° N, 111.9° W: paleocoordinates 6.1° S, 105.0° W)
When: Unit 2 Member (Puerto Blanco Formation), Montezuman (520.0 - 515.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, yellow limestone
Size classes: macrofossils, mesofossils
Collection methods: bulk,
Primary reference: L. Devaere, S. Clausen, J. P. Sosa-Leon, J. J. Palafox-Reyes, B. E. Buitrón-Sánchez and D. Vachard. 2019. Early Cambrian Small Shelly Fossils from northwest Mexico: Biostratigraphic implications for Laurentia. Palaeontologia Electronica 22(2):1-58 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203103: authorized by Pete Wagner, entered by Pete Wagner on 26.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Hyolitha | |
Petasotheca sp. Landing and Bartowski 1996 | |
Hyolithida sp. Mathew 1962 | |
Helcionelloida | |
Mackinnonia corrugata Bengtson et al. 1990 | |
Pelagiella sp. Matthew 1895 | |
Coeloscleritophora | |
Chancelloria spp. Walcott 1920
Archiasterella cf. pentactina Sdzuy 1969 | |
Hyolithellus spp. Billings 1872 |