Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helictites
Taxonomy
Helictites was named by Mojsisovics (1893) [Sepkoski's age data: Tr Nori-m Sepkoski's reference number: 302].
It was reranked as Ceratites (Helictites) by von Mojsisovics (1896).
It was assigned to Ceratites by von Mojsisovics (1896); to Buchitidae by Spath (1951); to Metasibiritidae by Tozer (1981); to Clydonitidae by Tatzreiter (1981); to Thetiditidae by Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was reranked as Ceratites (Helictites) by von Mojsisovics (1896).
It was assigned to Ceratites by von Mojsisovics (1896); to Buchitidae by Spath (1951); to Metasibiritidae by Tozer (1981); to Clydonitidae by Tatzreiter (1981); to Thetiditidae by Tozer (1994); and to Ceratitida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1893 | Helictites Mojsisovics |
1896 | Ceratites (Helictites) von Mojsisovics |
1951 | Helictites Spath p. 78 |
1981 | Helictites Tatzreiter |
1981 | Helictites Tozer p. 97 |
1994 | Helictites Tozer p. 205 |
2002 | Helictites Sepkoski |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Helictites Mojsisovics 1893
show all | hide all
†Ceratites (Helictites) atalanta von Mojsisovics 1896
†Helictites beneckei Mojsisovics 1893
†Helictites decorus McLearn 1940
†Helictites geniculatus Hauer 1855
†Helictites leislingensis Mojsisovics 1893
hide
Invalid names: Cycloceltites oppiani Diener 1923 [synonym]
†Helictites minor Tozer 1994
†Helictites pacalis Tozer 1994
†Helictites subgeniculatus Mojsisovics 1893
hide
Invalid names: Helictites canningi Diener 1906 [synonym]
†Helictites sundaicus Diener 1923
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 3 | 4.30 | - | - | 4.30 | - | |
shell diameter | 3 | 18.0 | 13.3 | 26.1 | 16.9 | 6.60 | |
shell inflation | 3 | 5.50 | - | - | 5.50 | - |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Alaunian or 215.56000 to 212.00000 Ma
Collections (18 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Norian | India | Ceratites atalanta (85471) | |
Norian | Canada (British Columbia) | H. decorus (140040) | |
Alaunian | Indonesia | H. decorus (170398) H. decorus, H. geniculatus, H. leislingensis, H. beneckei (139412) H. decorus, H. leislingensis, H. sundaicus (151066) H. geniculatus, H. leislingensis (170396) H. geniculatus, H. subgeniculatus (151058) | |
Alaunian | Canada (British Columbia) | H. decorus (141710 141711 141712 141713 141721 141722 141724) H. decorus, H. pacalis (46630 46631) H. minor (141696) H. pacalis (46629) |