La Cantera: Early Cretaceous, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae
Stephanocolpites mastandreai Volkheimer and Salas 1975
Angiospermae - Chloranthales - Chloranthaceae
Clavatipollenites hughesii Kemp 1968
Coniferales - Podocarpaceae
Callialasporites trilobatus (Balme 1957)
original and current combination Tsugaepollenites trilobatus
Trisaccites microsaccatus Couper 1953
Podosporites informal sp. 1 Rao 1943
unclassified
Cycadopites follicularis Wilson and Webster 1946
Cycadopites (nitidus) follicularis
Equisetopsida - Araucariaceae
Balmeiopsis limbatus (Balme 1957)
original and current combination Inaperturopollenites limbatus
Equisetopsida - Cheirolepidiaceae
Classopollis simplex Reiser and Williams 1969
unclassified
Rugubivesiculites informal spp. 1
Rugubivesiculites informal sp. 2 Pierce 1961
Alisporites similis Dettmann 1963
Pteridopsida
Deltoidospora informal sp. A Miner 1935
Polypodiopsida - Blechnaceae
Leptolepidites major Couper 1953
Polypodiopsida - Marsileaceae
Crybelosporites informal sp. A Dettmann 1963
Polypodiopsida - Schizaeales
Appendicisporites informal spp. 1
Appendicisporites informal spp. 2
Appendicisporites informal spp. 3
Appendicisporites informal spp. 4
Appendicisporites informal spp. 5
Appendicisporites informal spp. 6
Appendicisporites informal spp. 7
Appendicisporites informal spp. 8
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites informal spp. 1
Cicatricosisporites informal spp. 2
Cicatricosisporites informal spp. C
Cicatricosisporites australiensis Potonié 1956
Schizaeoisporites sp. Delcourt and Sprumont 1955
Marchantiopsida - Marchantiidae
Triporoletes reticulatus Playford 1971
unclassified
Couperisporites informal sp. A Pocock 1962
Taurocusporites segmentatus Stover 1962
Staplinisporites caminus Pocock 1962
Coptospora informal spp. 1
Coptospora informal spp. 2
Leiosphaeridia informal spp. E
Leiosphaeridia informal spp. F
Leiosphaeridia informal spp. G
Leiosphaeridia informal sp. B Eisenack 1958
Leiosphaeridia hyalina Eisenack 1958
Leiosphaeridia menendezii Volkheimer et al. 1977
Huitrinipollenites transitorius Volkheimer and Salas 1975
see common names

Geography
Country:Argentina State/province:San Luis
Coordinates: 33.0° South, 66.5° West (view map)
Paleocoordinates:33.1° South, 32.7° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Cretaceous Epoch: Early Cretaceous
10 m.y. bin: Cretaceous 1-4
Key time interval: Early Cretaceous
Age range of interval: 145 - 100.5 m.y. ago
Stratigraphy
Geological group:Gigante Formation:La Cantera
Stratigraphy comments: Based on palynological studies by Stover (in Yrigoyen, 1975) on samples from the La Cantera Formation, an Early Cretaceous (pre-Aptian) age was established for this formation.
Lithology and environment
Primary lithology:gray,green lithified silty siltstone
Secondary lithology:red lithified sandstone
Lithology description: The La Cantera Formation is composed principally of green-gray siltstone ad claystone, with red sandstone and claystone interbedded at the top.
Environment:lacustrine indet.
Geology comments: The formation is interpreted as having been deposited in a lacustrine environment, according to its limited extent, palynoflora and lithological characteristics.
Taphonomy
Modes of preservation:soft parts,original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection methods:chemical,hydrochloric,hydroflouric
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:151090
Authorizer:C. Jaramillo Enterer:J. Moreno
Research group:paleobotany
Created:2013-09-21 05:17:34 Last modified:2013-09-20 14:17:34
Access level:authorizer only Released:2016-09-21 05:17:34
Creative Commons license:CC BY
Reference information

Primary reference:
48234. M. B. Prámparo. 1994. Lower Cretaceous palynoflora of the La Cantera Formation, San Luis Basin: correlation with other Cretaceous palynofloras of Argentina. Cretaceous Research 15:193-203 [C. Jaramillo/J. Moreno]