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Placamen

Bivalvia - Cardiida - Veneridae

Taxonomy
Placamen was named by Iredale (1925) [Sepkoski's age data: T Mi-u R Sepkoski's reference number: 1112]. It is extant.

It was assigned to Chioninae by Vokes (1980); to Veneridae by Lamprell and Whitehead (1992); and to Veneroida by Sepkoski (2002).

Synonymy list
YearName and author
1925Placamen Iredale
1980Placamen Vokes p. 178
1992Placamen Lamprell and Whitehead p. 128
2002Placamen Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
RankNameAuthor
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyVeneroidea(Rafinesque 1815)
familyVeneridaeRafinesque 1815
subfamilyVenerinaeRafinesque 1815
genusPlacamenIredale 1925

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. Placamen Iredale 1925
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†Placamen calophyllum Philippi 1836
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†Placamen calophylla Philippi 1836
†Placamen gravescens Menke 1843
Placamen tiara Dillwyn 1817
†Placemen placidum Philippi 1844
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2007-10-08 06:38:03
Modified: 2009-08-18 20:15:30
Source: f = family, c = class
References: Kiessling 2004, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Eocene to the top of the Late/Upper Pleistocene or 37.20000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.2 - 33.9Australia (Western Australia) P. multidentata (70635 70638)
Early/Lower Miocene23.03 - 15.97Australia (Western Australia) P. sp. (70723)
Middle Miocene15.97 - 11.608Australia (Victoria) P. subroborata (179602)
Late/Upper Miocene11.608 - 5.333Indonesia P. isabellina (70077)
Late/Upper Miocene11.608 - 5.333Australia (South Australia) P. subroborata (63432 63433 63434 63442)
Late/Upper Miocene11.608 - 5.333Indonesia (Borneo) P. isabellina (42311 42339)
Late/Upper Miocene11.608 - 5.333Philippines P. calophylla (70138)
Pliocene5.333 - 2.588Philippines (Tayabas) P. isabellina (41525)
Pliocene5.333 - 2.588Indonesia (New Guinea) P. tiara (42399)
Pliocene - Pleistocene5.333 - 0.0117Malaysia Chione tiara (72092 72097 72098 72099 72100 72102 72103 72104 72105)
Late/Upper Pliocene3.6 - 2.588Indonesia (East Java) P. chloroticum (96671)
Late/Upper Pliocene3.6 - 2.588Australia (Western Australia) P. placidum (63353) P. sp. (63352)
Late/Upper Pliocene3.6 - 2.588Philippines (Panay) P. calophylla (41650)
Early/Lower Pleistocene2.588 - 0.781Taiwan P. tiara (96254 96255 96258 96259 96270 96272 96273 96276)
Pleistocene2.588 - 0.0117Philippines (Panay) P. calophylla (41651)
Pleistocene2.588 - 0.0117Japan P. tiara (97028)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) P. berrii (63319) P. berrii, P. gravescens (63351) P. berryi (63317) P. sp. (63321)