Parhabdolithus marthae
Classification: Mesozoic -> Stephanolithiales -> Parhabdolithaceae -> Parhabdolithus -> Parhabdolithus marthae
Sister taxa: P. liasicus, P. marthae, P. robustus, P. stubbingsii, P. sp.,
Distinguishing features: Parhabdolithus with very broad, tapering spine.
BownCooper1998 4-03-02.jpg
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Taxonomy:
Citation: Parhabdolithus marthae Deflandre in Deflandre & Fert, 1954Rank: Species
Farinacci & Howe catalog pages: Parhabdolithus marthae *
Distinguishing features: Parhabdolithus with very broad, tapering spine.
Geological Range:
Last occurrence (top): at top of NJ2A subzone (100% up, 196.5Ma, in Sinemurian stage). Data source: Bown & Cooper 1998 (fig 4) - zonal event
First occurrence (base): within NJ2A subzone (196.46-199.50Ma, base in Hettangian stage). Data source: Bown & Cooper 1998
Plot of occurrence data:
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Parhabdolithus
References:
Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs
Deflandre, G. & Fert, C. (1954). Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. Annales de Paléontologie. 40: 115-176. gs
