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Palaeomphalus

Gastropoda - Euomphalina - Helicotomidae

Taxonomy
Palaeomphalus was named by Koken and Perner (1925).

It was synonymized subjectively with Helicotoma by Knight et al. (1960).

It was assigned to Helicotominae by Wagner (1999).

Synonymy list
YearName and author
1925Palaeomphalus Koken and Perner
1999Palaeomphalus Wagner

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyHelicotomidae()
genusPalaeomphalus

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. †Palaeomphalus Koken and Perner 1925
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†Palaeomphalus glabra Koken and Perner 1925
†Palaeomphalus obtusangulus Angelin and Lindström 1880
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Invalid names: Palaeomphalus gradata Koken 1896 [synonym], Palaeomphalus immigrata Koken and Perner 1925 [synonym], Palaeomphalus laminosus Koken 1897 [synonym]
†Palaeomphalus olsoni Rohr 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesf
Adult length: 10 to < 100f
Locomotion: stationarysuperf
Life habit: epifaunalsuperf
Diet: suspension feedersuperf
Vision: limitedc
Created: 2009-06-11 19:53:51
Modified: 2009-06-11 21:53:51
Source: f = family, superf = superfamily, c = class
References: Hendy 2009, Kiessling 2004, Bambach et al. 2007

Age range: base of the Keila to the top of the Rawtheyan or 453.90000 to 445.20000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Keila453.9 - 453.0Norway (Oslo) Helicotoma immigrata (155363)
Keila - Oandu453.9 - 451.8Sweden (Dalarne) Straparollus obtusangulus (73411)
Keila - Oandu453.9 - 451.8Sweden (Dalarna) Euomphalus obtusangulus (155566)
Nabala450.5 - 449.9Estonia (Harju) P. gradata (87298)
Vormsi449.9 - 449.5Estonia (Harju) Euomphalus laminosus (156588)
Ashgill449.5 - 443.7USA (California) Helicotoma olsoni (69225)
Pirgu - Porkuni449.5 - 443.7Sweden (Dalarne) P. gradata (73407)
Rawtheyan448.8 - 445.2United Kingdom (England) Euomphalus subsulcatus (161737)
Porkuni445.6 - 443.7Estonia (Lääne-Viru) P. gradata (87313)