Angulolithina


Classification: non_cocco -> Ascidian spicules -> Angulolithina
Sister taxa: Angulolithina, Didemnum,

Distinguishing features: V or horseshoe shaped nannolith showing high birefringence and c-axis parallel to length of nannolith

Daughter taxa: (blue => in age window 0-800Ma)


Taxonomy:

Citation: Angulolithina Bukry 1973
Rank: Genus
Synonyms:
Notes & discussion: The forms described by Bukry resemble pairs of ascidian spicules and have the same optical orientation. If so this name has no real value

Catalog entries: Angulolithina *

Distinguishing features: V or horseshoe shaped nannolith showing high birefringence and c-axis parallel to length of nannolith

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within Tortonian Stage (7.25-11.62Ma, base in Tortonian stage). Data source: Total of range of species in this database

References:

Bukry, D. (1973a). Coccolith stratigraphy, eastern equatorial Pacific, Leg 16, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 16: 653-711. gs


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Angulolithina compiled by Jeremy R. Young viewed: 2-4-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=20008 Go to Archive.is to create a permanent copy of this page - citation notes



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