PBDB Taxon

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Stradnerlithus

Coccolithophyceae - Stephanolithiales - Stephanolithiaceae

Taxonomy

Stradnerlithus was named by Black (1971). Its type is Stradnerlithus comptus.

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

Species

S. asymmetricus, S. clatriatus, S. comptus (type species), S. fragilis, S. geometricus, S. primitus, S. silvaradius

Synonyms

Nodosella was named by Rood et al. (1973).

It was synonymized subjectively with Stradnerlithus by Bown and Young (1997).
Diadozygus was named by Rood et al. (1971).

It was synonymized subjectively with Stradnerlithus by Perch-Nielsen (1985).
Actinozygus was named by Gartner (1968).

It was synonymized subjectively with Stradnerlithus by Perch-Nielsen (1985).

Synonymy list

Year	Name and author
1968	Actinozygus Gartner
1971	Stradnerlithus Black
1971	Diadozygus Rood et al.
1973	Nodosella Rood et al.
1997	Stradnerlithus Bown and Young

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Rank	Name	Author
—	Life
—	Eukaryota	()
—	Chromalveolata
phylum	Haptophyta	Hibberd ex Cavalier-Smith 1986

Rank	Name	Author
class	Coccolithophyceae
order	Stephanolithiales
family	Stephanolithiaceae	Black 1968
genus	Stradnerlithus	Black 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. †Stradnerlithus Black 1971

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†Stradnerlithus asymmetricus Rood and Hay 1971

†Stradnerlithus clatriatus Rood and Hay 1973

†Stradnerlithus comptus Black 1971

†Stradnerlithus fragilis Rood and Barnard 1972

†Stradnerlithus geometricus Górka 1957

†Stradnerlithus primitus Rood and Hay 1973

†Stradnerlithus silvaradius Filewicz and Wind 1977

Invalid names: Actinozygus Gartner 1968 [synonym], Diadozygus Rood et al. 1971 [synonym], Nodosella Rood et al. 1973 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitep

Environment:

oceanic, oligotrophic, marine, brackishp

Locomotion:

passively mobilep

Life habit:

planktonicp

Depth habitat:

surfacep

Diet:

"photoautotroph"p

Created:

2006-10-31 06:24:05

Modified:

2006-10-31 08:24:05

Source: p = phylum

Reference: Kiessling 2003

Age range: base of the Late/Upper Toarcian to the top of the Maastrichtian or 180.10000 to 66.00000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Toarcian	180.1 - 175.6	Germany	S. humilis (59451 59453)
Early/Lower Hauterivian	136.4 - 130.0	Germany	S. sp., S. geometricus (50181)
Maastrichtian	72.1 - 66.0	Argentina (Rio Negro)	S. geometricus (237645)