Lake Maracaibo borehole (Eocene of Venezuela)

Where: Venezuela (9.9° N, 71.3° W: paleocoordinates 7.4° N, 62.2° W)

• coordinate estimated from map

When: Misoa Formation, Lutetian (47.8 - 41.3 Ma)

Environment/lithology: lagoonal; quartzose, gray sandstone and micaceous shale

• gray quartzitic sandstones intercalated with micaceous and carbonaceous laminated shales

Size class: macrofossils

Primary reference: V. Rull. 1998. Middle Eocene Mangroves and Vegetation Changes in the Maracaibo Basin, Venezuela. Palaios 13(3):287-296 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 212369: authorized by Mark Uhen, entered by Mark Uhen on 12.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Magnoliopsida
  -
Psilatricolporites crassus Van der Hammen and Wymstra 1964
Verrustephanoporites simplex Leidelmeyer 1966
Gemmamonocolpites sp. Van der Hammen and Garcia 1966
Angiospermae
  -
 Malpighiales - Malpighiaceae
Perisyncolporites pokornyi Germeraad et al. 1968
 Malvales - Bombacaceae
Bombacacidites sp. Couper 1960
Bombacacidites soleaformis Müller et al. 1987
 Mesangiosperms - Arecaceae
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966 palm
 Proteales - Proteaceae
Echitriporites trianguliformis van Hoeken-Klinkenberg 1964
  -
Monoporites annulatus Jaramillo and Dilcher 2001
Retibrevitricolpites triangulatus
  -
Retibrevitricolpites triangulatus van Hoeken-Klinkenberg 1966
Psilamonocolpites
  -
Psilamonocolpites sp. Van der Hammen and Garcia de Mutis 1966
Retitricolpites
  -
Retitricolpites simplex González-Guzmán 1967
Retitricolpites amapaensis Regali et al. 1974
Psilatricolporites operculatus
  -
"Psilatricolporites operculatus" = Ranunculacidites operculatus
"Psilatricolporites operculatus" = Ranunculacidites operculatus Jaramillo and Dilcher 2001
Retitricolporites irregularis
  -
"Retitricolporites irregularis" = Retitrescolpites irregularis
"Retitricolporites irregularis" = Retitrescolpites irregularis Jaramillo and Dilcher 2001
Retitricolpites magnus
  -
"Retitricolpites magnus" = Retitrescolpites magnus
"Retitricolpites magnus" = Retitrescolpites magnus Jaramillo and Dilcher 2001
Pteridopsida
  -
Gemmastephanoporites polymorphus
  -
Gemmastephanoporites polymorphus González-Guzmán 1967
Psilaperiporites robustus
  -
Psilaperiporites robustus Regali et al. 1974