Bajada de Hansen (Paleocene of Argentina)

Where: Chubut, Argentina (45.3° S, 67.0° W: paleocoordinates 48.0° S, 56.5° W)

• coordinate estimated from map

When: Paleocene (66.0 - 56.0 Ma)

Environment/lithology: terrestrial; lithified, muddy shale

Size class: microfossils

Preservation: soft parts

Primary reference: S. Archangelsky. 1973. Palinología del Paleoceno de Chubut. I. Descripciones Sistemáticas. Ameghiniana 10(4):339-399 [C. Jaramillo/C. Jaramillo/C. Jaramillo]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136554: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 30.11.2012, edited by Carlos Jaramillo

Creative Commons license: CC BY (attribution)

Taxonomic list

Psilatricolpites
  -
Psilatricolpites inargutus Archangelsky 1973
Pinopsida
 Pinales - Podocarpaceae
Dacrydiumites florinii1 Cookson and Pike 1953
Podocarpidites "sp. 1"1 Cookson 1947
 Pinales - Araucariaceae
Araucariacites sp.1 Cookson and Couper 1953
 Pinales - Cheirolepidiaceae
Monocotyledoneae
 Liliales - Liliidae
Liliacidites vermireticulatus2 Archangelsky and Zamaloa 1986
Res. 662. Sample 157
Liliacidites regularis n. sp. Archangelsky 1973
Res. 637. Sample 176 (Reference:43634)
  -
Restioniidites pascualii Archangelsky 1973
Sabalpollenites sp. Thiergart 1938
Cycadopites
  -
Cycadopites sp. Wodehouse 1933
Pteridopsida
  -
Trilites parvallatus Krutzsch 1959
Laevigatosporites ovatus Wilson and Webster 1946
Cyathidites minor Couper 1953
 Gleicheniales - Gleicheniaceae
Clavifera triplex Bolkhovitina 1966
Gleicheniidites sp. Dettmann 1963
 Cyatheales -
  -
Baculatisporites turbioensis Archangelsky 1972
Magnoliopsida
  -
Callistopollenites sp.2 Srivastava 1969
Res. 629. Sample 178
Syndemicolpites petriellai Archangelsky 1973
Striatopollis exiguus2 Archangelsky and Zamaloa 1986
Res. 636. Sample 174; Res. 637. Sample 176; Res. 640. Sample 156
Polyporina romeroi Archangelsky 1973
Rhoipites minusculus Archangelsky 1973
Gemmatricolpites subsphaericus n. sp. Archangelsky 1973
Psilatricolporites salamanquensis2 Archangelsky and Zamaloa 1986
Res. 637. Sample 176
Rousea patagonica Archangelsky 1973
Catinipollis geiseltalensis2 Krutzch 1966
Res. 637. Sample 176
 Santalales -
Anacolosidites diffusa Archangelsky 1973
 Proteales -
Triatriopollenites bertelsii Archangelsky 1973
Triatriopollenites lateflexus Archangelsky 1973
  -
Tricolpites communis Archangelsky 1973
Tricolpites gillii Cookson 1957
Striatricolporites gamerroi Archangelsky 1973