| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polonoceras
Taxonomy
Polonoceras was named by Dybczynski (1913) [Sepkoski's age data: D Fame-l Sepkoski's reference number: 1042]. It is not extant. Its type is Polonoceras planum.
It was reranked as Tornoceras (Polonoceras) by Glenister (1958).
It was assigned to Tornoceras by Glenister (1958); to Goniatitida by Sepkoski (2002); and to Aulatornoceratinae by Korn and Klug (2002), Korn (2006).
It was reranked as Tornoceras (Polonoceras) by Glenister (1958).
It was assigned to Tornoceras by Glenister (1958); to Goniatitida by Sepkoski (2002); and to Aulatornoceratinae by Korn and Klug (2002), Korn (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Polonoceras Dybczynski |
| 1958 | Tornoceras (Polonoceras) Glenister p. 93 |
| 2002 | Polonoceras Korn and Klug p. 164 |
| 2002 | Polonoceras Sepkoski |
| 2006 | Polonoceras Korn |
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. †Polonoceras Dybczynski 1913
show all | hide all
†Polonoceras baikuense Sheng 1999
†Polonoceras delepinei Petersen 1975
†Polonoceras dux Becker 1993
†Polonoceras mensinki Becker 1993
†Polonoceras planum Dybczynski 1913
†Polonoceras subundulatum Frech 1887
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 20.5 | 18.1 | 24.4 | 19.5 | 3.31 | |
| shell diameter | 3 | 38.3 | 33.2 | 45.5 | 37.2 | 6.27 | |
| shell inflation | 3 | 5.97 | 4.90 | 7.00 | 6.20 | 1.06 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Frasnian to the top of the Middle Famennian or 375.20000 to 365.20000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Frasnian | Australia (Western Australia) | Tornoceras sp. (170954) | |
| Early/Lower Famennian | Australia (Western Australia) | P. delepinei (65388) | |
| Early/Lower Famennian | Germany | P. sp. (187064) | |
| Early/Lower Famennian | Kazakhstan | P. planidorsatum, P. dorsoplanum (172154) | |
| Famennian | Australia (Western Australia) | P. delepinei (39079 39104) | |
| Middle Famennian | Russian Federation (Chelyabinsk) | P. planidorsatum (172157 172158) | |
| Middle Famennian | Kazakhstan | P. planidorsatum (172156) | |
| Middle Famennian | Kazakhstan (Chelyabinsk) | P. planidorsatum (172159) | |
| Middle Famennian | Australia (Western Australia) | P. delepinei (39080 39081 39086 39090 39101 39102 39106 65113 65115 65119 65120 65122 65124 65125 65373 65374 65378 65379 65385 65386) |