PBDB Taxon

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

Archaeodictyomitra exigua

Protozoa - Nassellaria - Archaeodictyomitridae

Taxonomy

Archaeodictyomitra exigua was named by Blome (1984). Its type locality is Puale Bay Rads, 80AJM-8A, Alaska, which is in a Callovian/Callovian basinal (siliciclastic) lime mudstone/siltstone in the Shelikof Formation of Alaska.

Sister species lacking formal opinion data

A. crebrisulcata, A. directiporata, A. elliptica, A. lamellicostata, A. patricki, A. primagena, A. pseudomulticostata, A. sliteri, A. speciosa, A. spelae, A. tumandae, A. veneta, A. whalenae

Synonymy list

Year	Name and author
1984	Archaeodictyomitra exigua Blome

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Rank	Name	Author
—	Life
—	Eukaryota	()
class	Protozoa	Goldfuss 1820
subphylum	Sarcodina	Schmarda 1871
class	Reticularea	Lankester 1885
subclass	Radiolaria	(Müller 1858)

Rank	Name	Author
superorder	Polycystina	(Ehrenberg 1838)
order	Nassellaria	Ehrenberg 1875
superfamily	Archaeodictyomitracea	Pessagno 1976
family	Archaeodictyomitridae	Pessagno 1976
genus	Archaeodictyomitra	Pessagno 1977
species	exigua	Blome 1984

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.

†Archaeodictyomitra exigua Blome 1984

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

silicap

Environment:

marinep

Locomotion:

passively mobilep

Life habit:

planktonicp

Diet:

omnivorep

Created:

2005-01-28 01:13:47

Modified:

2005-01-28 03:13:47

Source: p = phylum

Reference: Kiessling 1999

Age range: base of the Bajocian to the top of the Early/Lower Berriasian or 170.30000 to 140.20000 Ma

Collections (18 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Bajocian	171.6 - 167.7	USA (Oregon)	Archaeodictyomitra exigua (106403)
Late/Upper Bajocian - Middle Callovian	171.6 - 161.2	Greece	Archaeodictyomitra exigua (47836)
Bajocian	170.3 - 168.3	Oman	Archaeodictyomitra exigua (125361)
Middle Bathonian	167.7 - 164.7	Greece	Archaeodictyomitra exigua (47844)
Late/Upper Bathonian - Early/Lower Callovian	167.7 - 161.2	Slovakia	Archaeodictyomitra exigua (53796 53797 53799)
Early/Lower Callovian - Middle Callovian	164.7 - 161.2	USA (Alaska)	Archaeodictyomitra exigua (50703 type locality: 50705)
Late/Upper Kimmeridgian	155.7 - 150.8	Antarctica	Archaeodictyomitra exigua (46961)
Late/Upper Kimmeridgian	155.7 - 150.8	Antarctica (Antarctic Peninsula)	Archaeodictyomitra exigua (9956)
Early/Lower Tithonian	150.8 - 145.0	Italy	Archaeodictyomitra exigua (47167)
Early/Lower Tithonian	150.8 - 145.0	Antarctica	Archaeodictyomitra exigua (46963 46964 46971 51826 51827)
Early/Lower Berriasian	145.0 - 140.2	Antarctica	Archaeodictyomitra exigua (46970)