Tortolithus dodekachelyon


Classification: Mesozoic -> Heterococcoliths inc sedis -> muroliths inc sedis -> Tortolithus -> Tortolithus dodekachelyon
Sister taxa: T. caistorensis, T. carteri, T. dodekachelyon, T. foramen, T. furlongii, T. hallii, T. pagei, T. polygonatus, T. sp.,

Distinguishing features: Tortolithus with a murolith rim of 12 elements - 6 showing high birefringence and 6 low birefringence; central area with 3-5 overlapping plates showing low birefringence.


Taxonomy:

Citation: Tortolithus dodekachelyon Blair in Blair & Watkins (2009)
Rank: Species

Farinacci & Howe catalog pages: Tortolithus dodekachelyon *

Distinguishing features: Tortolithus with a murolith rim of 12 elements - 6 showing high birefringence and 6 low birefringence; central area with 3-5 overlapping plates showing low birefringence.


Size: 5-7 ┬Ám long (original description)

Geological Range:
Last occurrence (top): within Early Santonian Substage (85.56-86.26Ma, top in Santonian stage). Data source: original description
First occurrence (base): within Late Coniacian Substage (86.26-87.86Ma, base in Coniacian stage). Data source: original description

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Tortolithus

    References:

    Blair, S. A. & Watkins, D. K. (2009). High-resolution calcareous nannofossil biostratigraphy for the Coniacian/Santonian Stage boundary, Western Interior Basin. Cretaceous Research. 30(2): 367-384. gs


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    Tortolithus dodekachelyon compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-9-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11229 Go to Archive.is to create a permanent copy of this page - citation notes



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