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Ptychonema

Gastropoda - Murchisoniina - Eotomariidae

Taxonomy
Ptychonema was named by Perner (1903). It is not extant.

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

It was assigned to Eotomariidae by Horný (1997); to Holopeidae by Popov et al. (2007); and to Eotomariinae by Wagner (2023).

Synonymy list
YearName and author
1903Ptychonema Perner
1997Ptychonema Horný p. 54
2007Ptychonema Popov et al. p. 34
2023Ptychonema Wagner p. G596

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyEotomarioidea
familyEotomariidaeWenz 1938
subfamilyEotomariinae
genusPtychonema

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. †Ptychonema Perner 1903
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Ptychonema agyris Popov et al. 2007
Ptychonema bussacensis Sharpe 1853
Ptychonema desiderata Perner 1907
Ptychonema marocanum Horný 1997
Ptychonema nigrum Perner 1903
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Locomotion: actively mobileo
Life habit: epifaunalo
Diet: detritivoreo
Vision: limitedo
Created: 2009-09-21 10:40:01
Modified: 2024-02-04 19:53:32
Source: o = order
Reference: Bambach et al. 2007

Age range: base of the Oretanian to the top of the Maysvillian or 468.00000 to 449.60000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Oretanian468.0 - 459.0Morocco P. marocanum (56177)
Oretanian468.0 - 459.0Spain (Toledo) Clathrospira bussacensis (20898 20899)
Llanvirn468.0 - 458.4France (Loire-Atlantique) Clathrospira bussacensis (185523)
Sarka466.0 - 466.0Czech Republic (Plzeňský) Pleurotomaria desiderata (95016)
Sarka466.0 - 466.0Czech Republic Mourlonia desiderata (95015)
Dobrotivian459.0 - 457.9Spain (Guadalajara) P. bussacensis (194899 194900)
Dobrotivian459.0 - 457.9France (Loire-Atlantique) Clathrospira bussacensis (20889 185521)
Dobrotivian - Caradoc459.0 - 449.5Spain (Ciudad Real) Clathrospira bussacensis (20892)
Zahorany457.5 - 455.8Czech Republic (Praha) Pleurotomarioidean sp. (99737) P. nigrum (157002)
Longvillian - Onnian457.2 - 449.5Kyrgyzstan (Tien Shan) P. agyris (72308 72309)
Edenian - Maysvillian451.0 - 449.6Canada (Nunavut) Sellinema sp. (99702)
Kralodvorian449.8 - 445.2Portugal Pleurotomaria bussacensis (166718)