La Cantera Formation Explained

La Cantera Formation
Type:	Geological formation
Period:	Aptian
Age:	Late Aptian ~
Prilithology:	Siltstone
Otherlithology:	Sandstone, conglomerate
Namedfor:	Cantera de Picca
Region:	San Luis Province, San Juan Province
Country:	Argentina
Coordinates:	-33°N -66.5°W
Paleocoordinates:	-33.1°N -32.7°W
Unitof:	Gigante Group
Extent:	San Luis Basin

The La Cantera Formation is a Late Aptian,^[1] geologic formation in Argentina.^[2] Fossil theropod tracks have been reported from the formation.^[3] The formation, deposited under lacustrine conditions, also has provided fossil plants, insects, fish and gastropods.^{[4] [5]}

Fossil content

Among the following fossils are reported from the formation:^[2]

Insects

Hemiptera

• Canteronecta irajae^[6]
• Notonecta mazzoniae^[7]

Flora

• Alisporites similis
• Rugubivesiculites sp.
• Trisaccites microsaccatus
• Podosporites sp.
• Classopollis simplex
• Callialasporites trilobatus
• Cycadopites follicularis
• Crybelosporites sp.
• Appendicisporites sp.
• Cicatricosisporites australiensis
• Deltoidospora sp.
• Leptolepidites major
• Taurocusporites segmentatus
• Staplinisporites caminus
• Triporoletes reticulatus
• Coptospora sp.
• Couperisporites sp.
• Stephanocolpites mastandreai
• Clavatipollenites hughesii
• Leiosphaeridia hyalina
• L. menendezii
• Balmeiopsis limbatus
• Huitrinipollenites transitorius

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with theropod tracks

References

Bibliography

Notes and References

1. Castillo Elías et al., 2016
2. http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayStrata&geological_group=&formation=La%20Cantera&group_formation_member=La%20Cantera La Cantera Formation
3. Weishampel et al., 2004, pp.517-607
4. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=151090 La Cantera
5. Castillo Elías, 2014
6. Mazzoni, 1985
7. Petrulevicius et al., 2010