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Xiphophoridium

Dinophyceae - Gonyaulacales

Taxonomy
Xiphophoridium was named by Sarjeant (1966). It is not extant.

It was assigned to Gonyaulacales by Sarjeant (1966).

Species
Entered
by P. Santamarina (authorized by C. Jaramillo) on 2013-09-04

Synonymy list
YearName and author
1966Xiphophoridium Sarjeant

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RankNameAuthor
Life
Eukaryota()
Chromalveolata
Alveolata
Myzozoa
RankNameAuthor
subphylumDinozoa
superclassDinoflagellataBütschli 1885
classDinophyceae
orderGonyaulacales
genusXiphophoridiumSarjeant 1966

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Xiphophoridium Sarjeant 1966
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Xiphophoridium alatum Sarjeant 1966
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: silicasuperc
Environment: freshwaterc
Diet: "photoautotroph"superc
Created: 2026-03-29 15:51:37
Modified: 2026-03-29 15:51:37
Source: c = class, superc = superclass
References: Taylor 1987, Fritsch and West 1927

Age range: base of the Middle Cenomanian to the top of the Santonian or 100.50000 to 83.60000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Cenomanian100.5 - 93.9Egypt (north Western Desert) X. alatum (140415 140416 140417 140418 140421 140422 140424 140427 140428 140433 140435)
Middle Cenomanian - Late/Upper Cenomanian100.5 - 93.9Egypt (north Western Desert) X. alatum (140405 140407 140409 140410 140411 140412 140413 140414)
Coniacian - Santonian89.8 - 83.6Egypt (north Western Desert) X. alatum (140379)