PBDB Taxon

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

Calyculus

Coccolithophyceae - Podorhabdales - Calyculaceae

Taxonomy

Calyculus was named by Noël (1973). Its type is Calyculus cribrum.

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

Species

C. cribrum (type species), C. noeliae, C. serrai

Synonyms

Vikosphaera was named by Goy (1979).

It was synonymized subjectively with Calyculus by Bown and Young (1997).
Proculithus was named by Medd (1978).

It was synonymized subjectively with Calyculus by Perch-Nielsen (1985).
Catillus was named by Goy (1979).

It was synonymized subjectively with Calyculus by Bown and Young (1997).

Synonymy list

Year	Name and author
1973	Calyculus Noël
1978	Proculithus Medd
1979	Catillus Goy
1979	Vikosphaera Goy
1997	Calyculus 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	Podorhabdales	Rood et al. 1971
family	Calyculaceae	Noël 1973
genus	Calyculus	Noël 1973

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. †Calyculus Noël 1973

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†Calyculus cribrum Noël 1973

†Calyculus noeliae Goy 1979

†Calyculus serrai Goy 1979

Invalid names: Catillus Goy 1979 [synonym], Proculithus Medd 1978 [synonym], Vikosphaera Goy 1979 [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 Pliensbachian to the top of the Toarcian or 190.80000 to 174.10000 Ma

Collections (34 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Sinemurian - Late/Upper Pliensbachian	196.5 - 183.0	Morocco	C. sp. (205769 205771 205779)
Pliensbachian	190.8 - 182.7	Spain (Jaén)	C. recondita (201756) C. sp (201752 201753 201758)
Toarcian	182.7 - 174.1	Spain (Jaén)	C. depressa, C. recondita, C. sp (201665 201666 201667 201671 201678) C. recondita (201673) C. recondita, C. sp (201668 201669 201670 201672 201675 201677 201685 201750) C. sp (201674 201676)
Middle Toarcian	182.0 - 175.6	Spain (Murcia)	C. noeliae (201804 201808 201809 201813)
Late/Upper Toarcian	180.1 - 175.6	Spain (Granada)	C. sp (199488 202097)
Late/Upper Toarcian	180.1 - 175.6	Germany	Proculithus charlottei, Catillus hommerilii, C. noelae, C. cribrum (59453) Proculithus fistulatus, Catillus hommerilii, C. sp. 1, C. sp. 2, C. noelae, C. cribrum (59451) Proculithus fistulatus, Proculithus charlottei, C. sp. 2 (59449)
Early/Lower Aalenian	175.6 - 171.6	Germany	C. sp. (59457 59458)