PBDB Taxon

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

Rhynchostreon mermeti

Bivalvia - Ostreida - Gryphaeidae

Taxonomy

Ostrea mermeti was named by Coquand (1862).

It was recombined as Rhynchostreon mermeti by Malchus (1990).

Synonyms

Ostrea larteti was named by Coquand (1869).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Ostrea overwegi was named by Coquand (1869).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Exogyra mermeti was named by Coquand (1882).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Ostrea columba was named by Lamarck (1819).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Ostrea suborbiculata was named by Lamarck (1802).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Rhynchostreon chaperi was named by Bayle (1878). It is the type species of Rhynchostreon.

It was recombined as Amphidonta columba chaperi by Bobkova (1961); it was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Exogyra arduennensis was named by Orbigny (1967).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Rhynchostreon columbum was named by Lamarck (1819).

It was synonymized subjectively with Rhynchostreon mermeti by Malchus (1990).
Exogyra columbina was named by Romanowsky (1884).

It was synonymized subjectively with Amphidonta columba chaperi by Bobkova (1961).

Synonymy list

Year	Name and author
1802	Ostrea suborbiculata Lamarck
1819	Ostrea columba Lamarck
1819	Rhynchostreon columbum Lamarck
1862	Ostrea mermeti Coquand
1869	Ostrea larteti Coquand
1869	Ostrea overwegi Coquand
1878	Rhynchostreon chaperi Bayle
1879	Rhynchostreon chaperi Douville p. 92
1882	Exogyra mermeti Coquand
1884	Exogyra columbina Romanowsky
1961	Amphidonta columba chaperi Bobkova
1967	Exogyra arduennensis Orbigny
1990	Rhynchostreon mermeti Malchus

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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	Exogyrinae	Vialov 1936
genus	Rhynchostreon	Bayle 1874
species	mermeti	(Coquand 1862)

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.

†Rhynchostreon mermeti Coquand 1862

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Invalid names: Exogyra arduennensis Orbigny 1967 [synonym], Exogyra mermeti Coquand 1882 [synonym], Ostrea columba Lamarck 1819 [synonym], Ostrea larteti Coquand 1869 [synonym], Ostrea overwegi Coquand 1869 [synonym], Ostrea suborbiculata Lamarck 1802 [synonym], Rhynchostreon chaperi Bayle 1878 [synonym], Rhynchostreon columbum Lamarck 1819 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitef

Environment:

marine, brackisho

Locomotion:

stationaryf

Attached:

yesf

Life habit:

epifaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2007-09-26 08:05:58

Modified:

2009-08-18 19:34:53

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

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

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Turonian or 119.57000 to 89.80000 Ma

Collections (35 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Aptian	119.57 - 113.2	France	Exogyra arduennensis (56673)
Albian	113.2 - 100.5	Hungary	Rhynchostreon columbum (74890)
Albian	113.2 - 100.5	Algeria	Rhynchostreon mermeti (185642)
Middle Albian	110.1 - 106.3	Egypt	Exogyra arduennensis (98326)
Late/Upper Albian	106.3 - 100.5	Peru (Cajamarca)	Exogyra mermeti (88166)
Late/Upper Albian	106.3 - 100.5	Egypt	Exogyra arduennensis (98327)
Cenomanian	100.5 - 93.9	Peru (Cajamarca)	Exogyra mermeti (56905 56906)
Cenomanian	100.5 - 93.9	Jordan	Rhynchostreon mermeti (140949)
Cenomanian	100.5 - 93.9	Italy	Rhynchostreon mermeti (185661)
Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	Ostrea columba (87797)
Cenomanian	100.5 - 93.9	Morocco	Rhynchostreon mermeti (185609)
Early/Lower Cenomanian	100.5 - 93.9	Peru	Exogyra mermeti (88141 88189)
Early/Lower Cenomanian	100.5 - 93.9	Egypt	Rhynchostreon mermeti (184769)
Late/Upper Cenomanian	100.5 - 93.9	Brazil	Rhynchostreon mermeti (141007 141015 141020 141027)
Late/Upper Cenomanian	100.5 - 93.9	Peru	Rhynchostreon mermeti (61994 61995)
Late/Upper Cenomanian	100.5 - 93.9	Kyrgyzstan (Batken)	Rhynchostreon chaperi, Rhynchostreon columbum (3796)
Late/Upper Cenomanian	100.5 - 93.9	Egypt	Rhynchostreon mermeti (141572 185821 185822)
Middle Cenomanian	100.5 - 93.9	Brazil	Rhynchostreon mermeti (141010)
Middle Cenomanian - Late/Upper Cenomanian	100.5 - 93.9	Brazil	Rhynchostreon mermeti (141005 141008 141009)
Middle Cenomanian - Late/Upper Cenomanian	100.5 - 93.9	Jordan	Rhynchostreon mermeti (66800)
Early/Lower Turonian	93.9 - 89.8	Kyrgyzstan (Batken)	Rhynchostreon chaperi (3799 3803) Rhynchostreon chaperi, Rhynchostreon columbum (3797)
Early/Lower Turonian	93.9 - 89.8	Brazil	Rhynchostreon mermeti (141029 141030)