PBDB Taxon

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

Rhynchostreon

Bivalvia - Ostreida - Gryphaeidae

Taxonomy

Rhynchostreon was named by Bayle (1874) [Sepkoski's age data: K Berr K Maes]. It is not extant. Its type is Rhynchostreon chaperi.

It was assigned to Pterioida by Sepkoski (2002); to Gryphaeidae by Aberhan et al. (2004); and to Exogyrinae by Mendir et al. (2021).

Species

R. etalloni, R. mermeti (syn. Ostrea columba, Exogyra mermeti, Ostrea suborbiculata, Ostrea overwegi, Exogyra arduennensis, R. chaperi, Exogyra columbina, Ostrea larteti, R. columbum), R. plicatulum (syn. Ostrea reaumuri, Ostrea ratisbonensis, Exogyra plicatula), R. suborbiculatum (syn. Gryphites ratisbonensis, Gryphaea silicea, Exogyra columba), R. tombeckianum

Species lacking formal opinion data

R. couloni, R. levis

Synonymy list

Year	Name and author
1874	Rhynchostreon Bayle
2002	Rhynchostreon Sepkoski
2004	Rhynchostreon Aberhan et al.
2021	Rhynchostreon Mendir et al. p. 9

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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

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.

G. †Rhynchostreon Bayle 1874

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†Rhynchostreon etalloni Pictet and Campiche 1870

†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]

†Rhynchostreon plicatulum Lamarck 1819

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Invalid names: Exogyra plicatula Lamarck 1910 [synonym], Ostrea ratisbonensis Coquand 1869 [synonym], Ostrea reaumuri Coquand 1859 [synonym]

†Rhynchostreon suborbiculatum Lamarck 1801

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Invalid names: Exogyra columba Lamarck 1819 [synonym], Gryphaea silicea Lamarck 1819 [synonym], Gryphites ratisbonensis Schlotheim 1813 [synonym]

†Rhynchostreon tombeckianum d'Orbigny 1846

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 Valanginian to the top of the Santonian or 137.05000 to 83.60000 Ma

Collections (124 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Valanginian	137.05 - 132.6	Poland	R. etalloni (67139)
Late/Upper Valanginian	137.05 - 132.6	France	R. couloni (65189 65190 65191 65194 65197)
Late/Upper Aptian	119.57 - 113.2	France	Exogyra arduennensis (56673)
Albian	113.2 - 100.5	Algeria	R. mermeti (185642)
Albian	113.2 - 100.5	Hungary	R. columbum (74890)
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) R. suborbiculatum (140606 140608 140610 140611)
Late/Upper Albian - Cenomanian	106.3 - 93.9	Egypt	R. suborbiculatum (150677 150737 150874 150876)
Cenomanian	100.5 - 93.9	France (Charente-Maritime)	R. suborbiculatum (64878)
Cenomanian	100.5 - 93.9	Morocco	R. mermeti (185609)
Cenomanian	100.5 - 93.9	Czechia (Stredocesky)	Exogyra columba (59412)
Cenomanian	100.5 - 93.9	Italy	R. mermeti (185661)
Cenomanian	100.5 - 93.9	Peru (Cajamarca)	Exogyra mermeti (56905 56906)
Cenomanian	100.5 - 93.9	Germany	R. plicatulum (66776 66779)
Cenomanian	100.5 - 93.9	Jordan	R. mermeti (140949)
Cenomanian	100.5 - 93.9	France (Charentes)	R. suborbiculatum (64881)
Cenomanian	100.5 - 93.9	Spain	R. suborbiculatum (175376)
Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	Ostrea columba (87797)
Cenomanian	100.5 - 93.9	Tunisia (Sidi Bou Zid)	R. suborbiculatum (108971)
Cenomanian	100.5 - 93.9	Libya	R. suborbiculatum (185659)
Early/Lower Cenomanian	100.5 - 93.9	Peru	Exogyra mermeti (88141 88189)
Early/Lower Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	R. suborbiculatum (73862 73863)
Early/Lower Cenomanian	100.5 - 93.9	Algeria	R. suborbiculatum (220822 220823 228357)
Early/Lower Cenomanian	100.5 - 93.9	Egypt	R. mermeti (184769) R. suborbiculatum (114872 114873 114874 114876 140109 140113 140114 140612 140613 140615)
Early/Lower Cenomanian - Middle Cenomanian	100.5 - 93.9	Egypt	R. suborbiculatum (114785 150675)
Late/Upper Cenomanian	100.5 - 93.9	USA (Arizona)	R. levis (54117 54118 55263 55566 55631)
Late/Upper Cenomanian	100.5 - 93.9	USA (Utah)	R. levis (44164)
Late/Upper Cenomanian	100.5 - 93.9	Czechia	R. suborbiculatum (151607)
Late/Upper Cenomanian	100.5 - 93.9	Angola	R. suborbiculatum (210983)
Late/Upper Cenomanian	100.5 - 93.9	Colombia (Boyaca)	R. spp. (224190)
Late/Upper Cenomanian	100.5 - 93.9	Algeria	R. suborbiculatum (185656 185657)
Late/Upper Cenomanian	100.5 - 93.9	USA (New Mexico)	R. levis (44284)
Late/Upper Cenomanian	100.5 - 93.9	Brazil	Exogyra columba (140840) R. mermeti (141007 141015 141020 141027) R. sp. (140980)
Late/Upper Cenomanian	100.5 - 93.9	Kyrgyzstan (Batken)	R. chaperi, R. columbum, Exogyra plicatula (3796)
Late/Upper Cenomanian	100.5 - 93.9	Egypt	R. mermeti (141572 185821 185822) R. suborbiculatum (114793 114794 114795 114798 114810 114889 114891 114892 140581 140584)
Late/Upper Cenomanian	100.5 - 93.9	Peru	R. mermeti (61994 61995)
Middle Cenomanian	100.5 - 93.9	Algeria	R. suborbiculatum (220824)
Middle Cenomanian	100.5 - 93.9	Brazil	R. mermeti (141010)
Middle Cenomanian	100.5 - 93.9	Egypt	R. suborbiculatum (114878 114880 140225 140228 140229 140230 140231 140236 140237)
Middle Cenomanian - Late/Upper Cenomanian	100.5 - 93.9	Jordan	R. mermeti, Exogyra columba (66800)
Middle Cenomanian - Late/Upper Cenomanian	100.5 - 93.9	Egypt	R. suborbiculatum (114792)
Middle Cenomanian - Late/Upper Cenomanian	100.5 - 93.9	Brazil	Exogyra columba (140839) R. mermeti (141005 141008 141009)
Late/Upper Cenomanian - Early/Lower Turonian	100.5 - 89.8	Egypt	R. suborbiculatum (150676)
Late/Upper Cretaceous	100.5 - 66.0	Poland	Exogyra columba (241886)
Early/Lower Turonian	93.9 - 89.8	Kyrgyzstan (Batken)	R. chaperi (3799 3803) R. chaperi, R. columbum, Exogyra plicatula (3797)
Early/Lower Turonian	93.9 - 89.8	Brazil	R. mermeti (141029 141030)
Early/Lower Turonian	93.9 - 89.8	Czechia	R. suborbiculatum (151608)
Early/Lower Turonian	93.9 - 89.8	Egypt	R. suborbiculatum (140588)
Early/Lower Turonian	93.9 - 89.8	Jordan	Exogyra columba (66799)
Early/Lower Turonian	93.9 - 89.8	Gabon	R. suborbiculatum (209608)
Early/Lower Turonian	93.9 - 89.8	Germany (Bayern)	R. suborbiculatum (114012)
Late/Upper Turonian	93.9 - 89.8	France	R. suborbiculatum (59230)
Late/Upper Turonian	93.9 - 89.8	Czechia	R. suborbiculatum (31184)
Turonian	93.9 - 89.8	France	R. suborbiculatum (3742)
Turonian	93.9 - 89.8	France (Gard)	Exogyra columba (234088)
Turonian	93.9 - 89.8	Spain	R. suborbiculatum (175378)
Turonian	93.9 - 89.8	Morocco	R. suborbiculatum (185610)
Santonian	85.7 - 83.6	France	R. suborbiculatum (3746)