PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pycnodonta rarilamella

Bivalvia - Ostreida - Gryphaeidae

Taxonomy

Ostrea rarilamella was named by Melleville (1843).

It was recombined as Pycnodonta rarilamella by Douvillé (1920).

Sister species lacking formal opinion data

Ostrea oppenheimi, Ostrea perirregularis, P. cassis, P. convexa, P. germanitala, P. johnsoni, P. ludoviciana, P. paroxis, P. proboscideum, P. sylvaerupis, P. vesicularis, P. vesiculosa, P. vicksburgensis, P. trigonalis

Synonymy list

Year	Name and author
1843	Ostrea rarilamella Melleville
1905	Ostrea rarilamella Newton p. 85
1920	Pycnodonta rarilamella Douvillé p. 160 figs. Pl 4, fig 1

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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)
infraclass	Pteriomorphia	(Beurlen 1944)

Rank	Name	Author
—	Ostreomorphi	Ferussac 1822
—	Ostreioni	Ferussac 1822
—	Ostreata	Ferussac 1822
superorder	Ostreiformii	Ferussac 1822
order	Ostreida	(Fërussac 1822)
suborder	Ostreidina	(Ferussac 1822)
superfamily	Ostreoidea	(Rafinesque 1815)
family	Gryphaeidae	Vialov 1936
subfamily	Pycnodonteinae	Stenzel 1959
genus	Pycnodonta	(Fischer von Waldheim 1835)
species	rarilamella	(Melleville 1843)

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.

†Pycnodonta rarilamella Melleville 1843

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitef

Environment:

marine, brackisho

Locomotion:

stationaryg

Attached:

yesg

Life habit:

epifaunalg

Diet:

suspension feederg

Vision:

blindc

Created:

2009-08-18 17:10:00

Modified:

2009-08-18 19:10:00

Source: g = genus, f = family, o = order, c = class

References: Kiessling 2004, Steuber 2002, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Paleocene to the top of the Lutetian or 66.00000 to 41.03000 Ma

Collections (5 total)

Time interval	Ma	Country or state	Original ID and collection number
Paleocene	66.0 - 56.0	Niger	Ostrea rarilamella (184349)
Ypresian	56.0 - 48.07	Bulgaria	Ostrea rarilamella (103967 103968)
Lutetian	48.07 - 41.03	Senegal	Pycnodonta rarilamella (209394)
Lutetian	48.07 - 41.03	Bulgaria	Ostrea rarilamella (104015)