PBDB Taxon

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

Pachecoa ellipsis

Bivalvia - Arcida - Arcidae

Taxonomy

Pachecoa ellipsis is a species.

Sister species lacking formal opinion data

P. catonis, P. concentrica, P. corvamnis, P. decisca, P. lisbonensis, P. ovalis, P. pulchra, P. adamsi, P. catonis, P. concentrica, P. ledoides, P. microcancellata, P. pectuncularis, P. pulchra, P. pulchra, P. pulchra, P. smithvillensis, P. perplana

Synonymy list

Year	Name and author
2002	Pachecoa ellipsis Kosnik

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Arcioni	Gray 1854
order	Arcida	(Stoliczka 1871)
superfamily	Arcoidea	(Lamarck 1809)
family	Arcidae	Lamarck 1809
subfamily	Noetiinae	Stewart 1930
tribe	Trinacriini	(MacNeil 1937)
genus	Pachecoa	Harris 1919
species	ellipsis

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.

†Pachecoa ellipsis

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitef

Entire body:

yesf

Adult length:

10 to < 100f

Adult width:

10 to < 100f

Adult height:

10 to < 100f

Thickness:

intermediatef

Folds:

minorf

Ribbing:

majorf

Spines:

nonef

Internal reinforcement:

nonef

Ontogeny:

accretionf

Environment:

lagoonal, coastal, inner shelf, outer shelf, oceanic, brackish, freshwaterf

Locomotion:

facultatively mobilef

Attached:

yesf

Life habit:

epifaunalf

Diet:

suspension feederf

Vision:

limitedf

Created:

2008-11-18 16:46:55

Modified:

2010-02-18 01:07:43

Source: f = family

Reference: Mikkelsen and Bieler 2008

Age range: base of the Lutetian to the top of the Bartonian or 48.07000 to 37.71000 Ma

Collections (12 total)

Time interval	Ma	Country or state	Original ID and collection number
Lutetian	48.07 - 41.03	USA (Alabama)	Pachecoa ellipsis (81224 81254)
Lutetian	48.07 - 41.03	USA (Virginia)	Pachecoa ellipsis (1445 1446 1447 1448)
Bartonian	41.03 - 37.71	USA (South Carolina)	Pachecoa ellipsis (92308)
Bartonian	41.03 - 37.71	USA (Louisiana)	Pachecoa ellipsis (98771)
Bartonian	41.03 - 37.71	USA (Alabama)	Pachecoa ellipsis (90469 90600)
Bartonian	41.03 - 37.71	USA (Texas)	Pachecoa ellipsis (205422 205429)