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Irus

Bivalvia - Cardiida - Veneridae

Taxonomy
Irus was named by Schmidt (1818) [Sepkoski's age data: T Ol R]. It is extant.

It was assigned to Tapetinae by Vokes (1980); to Veneridae by Lamprell and Whitehead (1992), Todd (2001); and to Veneroida by Sepkoski (2002).

Species
I. (Notirus), I. (Notopaphia), I. carditoides, I. irus
Species lacking formal opinion data
I. gregarius

Synonymy list
YearName and author
1818Irus Schmidt
1980Irus Vokes p. 251
1992Irus Lamprell and Whitehead p. 152
2001Irus Todd
2002Irus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyVeneroidea(Rafinesque 1815)
familyVeneridaeRafinesque 1815
subfamilyVenerinaeRafinesque 1815
tribeTapetini(Gray 1851)
genusIrusSchmidt 1818

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. Irus Schmidt 1818
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Subg. Irus (Notirus) Finlay 1928
†Irus carditoides Lamarck 1818
Irus irus Linnaeus 1767
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobileg
Attached: yesg
Life habit: boringg
Diet: suspension feederg
Vision: blindc
Comments: ECOSPACE CODE: 541. LIFE HISTORY: WN/EP, MA, BA, SU according to Todd (2001).g
Created: 2009-09-04 16:36:17
Modified: 2009-10-11 11:45:29
Source: g = genus, f = family, c = class
References: Kiessling 2004, Aberhan et al. 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Aquitanian to the top of the Holocene or 23.03000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Aquitanian23.03 - 20.44France (Aquitaine) I. sp. (74865)
Early/Lower Miocene23.03 - 15.97New Zealand (Dannevirke) Notirus sp. (35641 35647)
Burdigalian20.44 - 15.97Germany I. irus (111599)
Middle Miocene15.97 - 11.608Poland I. irus (51689 51690 51691)
Sarmatian12.7 - 11.608Ukraine (Ternopol') I. vitalianus (46116)
Sarmatian12.7 - 11.608Austria I. gregarius (25259)
Tortonian11.62 - 7.246Panama I. sp. (61342)
Late/Upper Pliocene3.6 - 2.588United Kingdom (England) Venerupis irus (84764)
Early/Lower Pleistocene2.588 - 0.781Italy I. irus (78312)
Pleistocene2.588 - 0.0117Japan I. macrophyllus (97028)
Middle Pleistocene0.774 - 0.129Ireland I. irus (178118)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117Morocco Venerupis irus (127578)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) I. distans (96708) I. irus (63351)
Late/Upper Pleistocene0.129 - 0.0117Spain Venerupis irus (128327)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117Kenya I. sp. (81075 81092 81097)
Holocene0.0117 - 0.0Australia (Western Australia) I. irus (63350)