PBDB Taxon

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

Pycnodonte (Pycnodonte) ynezana

Bivalvia - Ostreida - Gryphaeidae

Taxonomy

Ostrea eldridgei ynezana was named by Loel and Corey (1932). Its type specimen is UCMP 31745 and is a 3D body fossil. Its type locality is UCMP loc. A317, Santa Rosa Hills, Santa Ynez Mountains, which is in a Miocene coastal conglomerate in the Vaqueros Formation of California.

It was recombined as Pycnodonte (Pycnodonte) ynezana by Moore (1987).

Sister species lacking formal opinion data

P. aucella, P. belli, P. frauscheri, P. houzeaui, P. kansasense, P. kellumi, P. mackayi, P. tarda, P. aucella, P. gambaensis, P. navaniaensis

Synonymy list

Year	Name and author
1932	Ostrea eldridgei ynezana Loel and Corey pp. 189 - 190 figs. Plate 11, figure 3; Plate 12, figures 1a, 1b,1c; Plate 13, figures 1, 2a, 2b
1987	Pycnodonte (Pycnodonte) ynezana Moore pp. C18 - C19 figs. Plate 11, figures 1, 3, 4, 6

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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)
—	Ostreomorphi	Ferussac 1822

Rank	Name	Author
—	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	Pycnodonte	(Fischer von Waldheim 1835)
subgenus	Pycnodonte	Fischer von Waldheim 1835
species	ynezana	()

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.

†Pycnodonte (Pycnodonte) ynezana Loel and Corey 1932

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

Age range: base of the Chattian to the top of the Early/Lower Miocene or 28.10000 to 15.97000 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Chattian	28.1 - 23.03	USA (California)	Ostrea eldridgei (52418)
Early/Lower Miocene	23.03 - 15.97	USA (California)	Ostrea eldridgei (71223 203554 237907 237912 237917 238142 238145 238165 238168 238173 238174 238175 238176 238178 238179 238182)