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
Auritulinasporites | |
Auritulinasporites "sp." Nilsson 1958 | |
Pteridopsida | |
Todisporites minor, Todisporites major, Ischyosporites "sp.", Deltoidospora minor, Osmundacidites "sp."
Todisporites minor Couper 1953
Todisporites major Couper 1953
Ischyosporites "sp." Balme 1957
Deltoidospora minor Pocock 1970
Osmundacidites "sp." Couper 1953 | |
Polypodiopsida | |
Gleicheniidites "sp. B" Dettmann 1963
Gleicheniidites "sp. C" Dettmann 1963 | |
Alsophilidites "sp." Cookson scaly tree fern | |
Verrucosisporites "sp. E" Potonie and Kremp 1954 | |
Rugulatisporites "sp." Pflug and Thomson 1953
Baculatisporites "sp." Thomson and Pflug 1953 | |
Peromonolites "sp." Couper 1953 | |
Concavisporites | |
Concavisporites cf. semiangulatus Menéndez 1963 | |
Podocarpidites ellipticus Cookson 1947 podocarp | |
Ginkgoopsida | |
Vitreisporites pallidus Nilsson 1958 | |
Cycadopites | |
Cycadopites "sp." Wodehouse 1933
Cycadopites nitidus de Jersey 1964 | |
Equisetopsida | |
Araucariacites australis, Araucariacites pergranulatus, Classopollis "sp.", Classopollis cf. classoides, Classopollis simplex
Araucariacites australis Cookson 1947
Araucariacites pergranulatus Volkheimer 1968
Classopollis "sp." Pflug 1953
Classopollis cf. classoides Pflug 1953
Classopollis simplex Reiser and Williams 1969 | |
Nevesisporites vallatus | |
Nevesisporites vallatus de Jersey and Paten 1964 | |
Lycopodiopsida | |
Neoraistrickia "sp." Potonié 1956 spikemoss | |
Lycopodiumsporites austroclavatidites Potonié 1956 clubmoss | |
Punctatisporites | |
Punctatisporites "sp." Potonié and Kremp 1954 | |
Perinopollenites elatoides | |
Perinopollenites elatoides Couper 1958 | |
Alisporites | |
Alisporites "sp." Daugherty 1941 | |
Aratrisporites | |
Aratrisporites "sp." Leschik 1956 |