Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Semihololithus

Coccolithophyceae - Calyptrosphaeraceae

Taxonomy
Semihololithus was named by Perch-Nielsen (1971).

It was assigned to Calyptrosphaeraceae by Bown and Young (1997).

Species lacking formal opinion data

Synonymy list
YearName and author
1971Semihololithus Perch-Nielsen
1997Semihololithus Bown and Young

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomChromistaCavalier-Smith 1981
Hacrobia
phylumHaptophytaHibberd ex Cavalier-Smith 1986
RankNameAuthor
classCoccolithophyceae
familyCalyptrosphaeraceae
genusSemihololithusPerch-Nielsen 1971

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. †Semihololithus Perch-Nielsen 1971
show all | hide all
Semihololithus bicornus Perch-Nielsen 1973
Semihololithus dens Burnett 1998
Semihololithus priscus Perch-Nielsen 1973
Diagnosis
No diagnoses are available