Where: Off-shore, Bahamas (24.9° N, 73.8° W: paleocoordinates 17.7° N, 39.4° W)
• coordinate stated in text
When: Albian to Albian (113.0 - 93.9 Ma)
Environment/lithology: marine; lithified, brown, calcareous sandstone and lithified, massive, black, argillaceous claystone
Size class: microfossils
Preservation: soft parts, original sporopollenin
Collection methods: hydrochloric, hydroflouric, sieve
Primary reference: D. Habib. 1970. Middle Cretaceous palynomorph assemblages from clays near the Horizon Beta deep-sea outcrop. Micropaleontology 16:345-379 [C. Jaramillo/G. Doria/A. Cardenas ]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 142275: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
| Retitricolpites | |
|
Retitricolpites georgensis Brenner 1963 | |
| Equisetopsida | |
|
Araucariacites limbatus Habib 1969
Classopollis torosus Burger 1965 | |
Inaperturopollenites dubius, "Spheripollenites psilatus" = Sphaeripollenites
Inaperturopollenites dubius Thomson and Pflug 1953
"Spheripollenites psilatus" = Sphaeripollenites | |
|
Foraminisporis dailyi Dettmann 1963 | |
| Galeacornea | |
|
Galeacornea "sp. A" Stover 1963 elaterate | |
| Alisporites | |
|
Alisporites bilateralis Rouse 1959 | |
| Pinopsida | |
"Tsugaepollenites discoides" = Callialasporites, Tsugaepollenites dampieri, Parvisaccites radiatus, Platysaccus elizabethae
"Tsugaepollenites discoides" = Callialasporites podocarp
Tsugaepollenites dampieri Balme 1957 podocarp
Parvisaccites radiatus Couper 1958 podocarp
Platysaccus elizabethae podocarp | |
| Angiospermae | |
|
Monosulcites epakros Brenner 1963
Monosulcites minimus Cookson 1947 | |
| Concavisporites | |
| Polypodiopsida | |
|
Laevigatosporites ovatus Wilson and Webster 1946 | |
|
Appendicisporites tricornitatus Weyland and Greifeld 1953
Cicatricosisporites australiensis Potonié 1956 | |
Gleicheniidites severus, Gleicheniidites marciae, Gleicheniidites senonicus, Gleicheniidites apilobatus, Gleicheniidites circinidites
Gleicheniidites senonicus Ross 1949
Gleicheniidites apilobatus Brenner 1963
Gleicheniidites circinidites Dettmann 1963 | |
| Pteridopsida | |
| Taurocusporites reduncus | |
|
Taurocusporites reduncus Stover 1962 | |
| Ginkgoopsida | |
|
Vitreisporites pallidus Nilsson 1958 | |
| Cycadopsida | |
|
Eucommiidites troedssonii Potonié 1958 cycads | |
| Sphenopsida | |
|
Calamospora mesozoica Couper 1958 | |
| Lycopodiopsida | |
|
Lycopodiumsporites clavatoides Couper 1958 clubmoss | |
| Schizosporis | |
| Ostracoda | |
|
Discoidella hannae ostracod | |
| Tricolpopollenites | |
|
Tricolpopollenites minutus Brenner 1963 | |