Where: Neuquén, Argentina (39.4° S, 70.4° W: paleocoordinates 41.5° S, 28.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Sinemurian (196.5 - 189.6 Ma)
Environment/lithology: marine; lithified, silty siltstone and lithified, sandy sandstone
Size class: microfossils
• Other: Palynomorphs
Preservation: soft parts, original sporopollenin
Collection methods: bulk, chemical, hydrochloric, hydroflouric,
Primary reference: W. Volkheimer. 1971. Algunos adelantos de la microbioestratigrafía del Jurásico en la Argentina y comparación con otras regiones del Hemisferio Austral. Ameghiniana VIII(3 - 4):341-355 [C. Jaramillo/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 151448: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 03.10.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Punctatisporites | |
|
Punctatisporites "sp." Potonié and Kremp 1954 | |
| Perinopollenites elatoides | |
|
Perinopollenites elatoides Couper 1958 | |
| Alisporites | |
|
Alisporites "sp." Daugherty 1941 | |
| Concavisporites | |
|
Concavisporites cf. semiangulatus Menéndez 1963 | |
| Pteridopsida | |
Todisporites minor, Todisporites major, Osmundacidites "sp.", Ischyosporites "sp.", Deltoidospora minor
Todisporites minor Couper 1953
Todisporites major Couper 1953
Osmundacidites "sp." Couper 1953
Ischyosporites "sp." Balme 1957
Deltoidospora minor Pocock 1970 | |
| Polypodiopsida | |
|
Peromonolites "sp." Couper 1953 | |
|
Verrucosisporites "sp. E" Potonie and Kremp 1954 | |
|
Rugulatisporites "sp." Pflug and Thomson 1953
Baculatisporites "sp." Thomson and Pflug 1953 | |
|
Gleicheniidites "sp. B" Dettmann 1963
Gleicheniidites "sp. C" Dettmann 1963 | |
|
Alsophilidites "sp." Cookson scaly tree fern | |
| Auritulinasporites | |
|
Auritulinasporites "sp." Nilsson 1958 | |
|
Podocarpidites ellipticus Cookson 1947 podocarp | |
| Nevesisporites vallatus | |
|
Nevesisporites vallatus de Jersey and Paten 1964 | |
| Equisetopsida | |
Araucariacites australis, Araucariacites pergranulatus, Classopollis "sp.", Classopollis simplex, Classopollis cf. classoides
Araucariacites australis Cookson 1947
Araucariacites pergranulatus Volkheimer 1968
Classopollis "sp." Pflug 1953
Classopollis simplex Reiser and Williams 1969
Classopollis cf. classoides Pflug 1953 | |
| Lycopodiopsida | |
|
Neoraistrickia "sp." Potonié 1956 spikemoss | |
|
Lycopodiumsporites austroclavatidites Potonié 1956 clubmoss | |
| Ginkgoopsida | |
|
Vitreisporites pallidus Nilsson 1958 | |
| Cycadopites | |
|
Cycadopites "sp." Wodehouse 1933
Cycadopites nitidus de Jersey 1964 | |
| Aratrisporites | |
|
Aratrisporites "sp." Leschik 1956 | |