Conrad 10-284 (Cretaceous to of Bahamas)

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

• Light brown to pale orange foraminiferal calacarenite and calcilutite/ Very well compacted featureless black clay

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

Show authors, comments, and common names
unclassified
  -
Abietoneapollenites dunrobinensis, Paravisaccites majesticus, Pteruchipollenites crenulatus, Pteruchipollenites transversus, Ttricolpopollenites polyhedrus
Ostracoda
 Myodocopida - Polycopidae
Discoidella hannae
Retitricolpites
  -
Retitricolpites sphaeroides, Retitricolpites georgensis
Equisetopsida
 Anthocerotidae - Anthocerotidae
Foraminisporis dailyi
Foraminisporis dailyi Dettmann 1963
 Pinidae - Pinidae
Classopollis torosus, Araucariacites limbatus
 Cupressales - Pinidae
Inaperturopollenites dubius, "Spheripollenites psilatus" = Sphaeripollenites
Inaperturopollenites dubius Thomson and Pflug 1953
"Spheripollenites psilatus" = Sphaeripollenites
Galeacornea
  -
Galeacornea "sp. A"
Galeacornea "sp. A" Stover 1963 elaterate
Alisporites
  -
Alisporites bilateralis
Sphenopsida
  -
Calamospora mesozoica
Cycadopsida
 Cycadales -
Eucommiidites troedssonii
Eucommiidites troedssonii Potonié 1958 cycads
Ginkgoopsida
 Caytoniales -
Vitreisporites pallidus
Angiospermae
  -
Monosulcites minimus, Monosulcites epakros
Monosulcites minimus Cookson 1947
Monosulcites epakros Brenner 1963
 Gunnerales -
Tricolpites auritus
 Mesangiosperms - Liliaceae
Liliacidites dividuus
 Chloranthales - Chloranthaceae
Clavatipollenites maximus, Clavatipollenites hughesii
 Coniferales -
Taxodiaceaepollenites hiatus
 Coniferales - Podocarpaceae
"Tsugaepollenites discoides" = Callialasporites, Tsugaepollenites dampieri, Parvisaccites radiatus, Platysaccus elizabethae
"Tsugaepollenites discoides" = Callialasporites podocarp
Tsugaepollenites dampieri Balme 1957 podocarp
Parvisaccites radiatus Couper 1958 podocarp
Pinopsida
 Pinales - Taxaceae
Abietineaepollenites microreticulatus
Lycopodiopsida
 Lycopodiales - Lycopodiaceae
Lycopodiumsporites clavatoides
Lycopodiumsporites clavatoides Couper 1958 clubmoss
Taurocusporites reduncus
  -
Taurocusporites reduncus
Concavisporites
  -
Concavisporites lamontis
Polypodiopsida
  - Polypodiaceae
Laevigatosporites scabratus, Laevigatosporites ovatus
Laevigatosporites ovatus Wilson and Webster 1946
  - Gleicheniaceae
Gleicheniidites severus, Gleicheniidites marciae, Gleicheniidites apilobatus, Gleicheniidites circinidites, Gleicheniidites senonicus
 Schizaeales - Polypodiidae
Appendicisporites tricornitatus, Cicatricosisporites australiensis
Appendicisporites tricornitatus Weyland and Greifeld 1953
Pteridopsida
  -
Cyathidites australis, Cyathidites minor, Todisporites minor
Cyathidites minor Couper 1953
Todisporites minor Couper 1953
Schizosporis
  -
Schizosporis burcklei
Tricolpopollenites
  -
Tricolpopollenites minutus