PBDB Taxon

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

Girgisia

Coccolithophyceae - Isochrysidales - Prinsiaceae

Taxonomy

Girgisia was named by Varol (1989).

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

Species lacking formal opinion data

G. gammation

Synonymy list

Year	Name and author
1989	Girgisia Varol
1997	Girgisia Young and Bown

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

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

Rank	Name	Author
class	Coccolithophyceae
order	Isochrysidales
family	Prinsiaceae
genus	Girgisia

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. †Girgisia Varol 1989

show all | hide all

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 M. formosa LOZ to the top of the Pleistocene or 54.00000 to 0.01170 Ma

Collections (93 total)

Time interval	Ma	Country or state	Original ID and collection number
Thanetian - Eocene	59.24 - 33.9	South Pacific	G. gammation (249195)
Ypresian	56.0 - 48.07	North Pacific	G. gammation (243274 243275 245726)
Ypresian	56.0 - 48.07	South Pacific	G. gammation (254500 254501 254502 254503)
Ypresian	56.0 - 48.07	North Atlantic	G. gammation (261747 261748 261749 261750 261751 261752 261753 261754 261755 261756 261757 262405 263828 266444 266445 266446 266447 266448 266449 266450 266451 267056 267057 267058 267059 267060 267061 267062)
Ypresian - Lutetian	56.0 - 41.03	North Atlantic	G. gammation (261745 261746 267055)
Ypresian - Lutetian	56.0 - 41.03	South Pacific	G. gammation (254480 254482 254483 254499)
Eocene	56.0 - 33.9	North Atlantic	G. gammation (260567)
Eocene	56.0 - 33.9	South Pacific	G. gammation (245757)
M. formosa LOZ	54.0 - 52.3	South Pacific	G. gammation (250071 250072 250073 250074)
M. formosa LOZ - M. aragonensis/M. subbotinae CRZ	54.0 - 50.8	South Pacific	G. gammation (250069 250070)
M. aragonensis/M. subbotinae CRZ	52.3 - 50.8	South Pacific	G. gammation (250063 250064 250065 250066 250067 250068)
Lutetian	48.07 - 41.03	North Atlantic	G. gammation (261744 262401 262402 262403 267054)
Lutetian	48.07 - 41.03	South Pacific	G. gammation (254477)
NP15	46.7 - 43.3	South Pacific	G. gammation (255388)
Bartonian	41.03 - 37.71	South Pacific	G. gammation (254467 254470 254472 254473 254474 258049 258050 258051 258052)
Bartonian - Priabonian	41.03 - 33.9	South Pacific	G. gammation (254466 258048)
M. crassatus HOZ	40.0 - 38.1	South Pacific	G. gammation (250043)
Priabonian	37.71 - 33.9	South Pacific	G. gammation (254461 254464 254465 258032 258034 258035 258036 258037 258039 258043 258044 258045 258046 258047)
Chattian	27.3 - 23.04	South Pacific	G. gammation (258027)
Pleistocene	2.58 - 0.0117	South Pacific	G. gammation (243079 243099)