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Prionolobus
Taxonomy
Prionolobus was named by Waagen (1895).
It was reranked as Meekoceras (Prionolobus) by Hyatt and Smith (1905).
It was assigned to Meekoceras by Hyatt and Smith (1905); to Gyronitidae by Spath (1934); to Meekoceratidae by Tozer (1994); and to Proptychitidae by Brühwiler et al. (2008).
It was reranked as Meekoceras (Prionolobus) by Hyatt and Smith (1905).
It was assigned to Meekoceras by Hyatt and Smith (1905); to Gyronitidae by Spath (1934); to Meekoceratidae by Tozer (1994); and to Proptychitidae by Brühwiler et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Prionolobus Waagen p. 306 |
| 1905 | Meekoceras (Prionolobus) Hyatt and Smith p. 150 |
| 1934 | Prionolobus Spath |
| 1994 | Prionolobus Tozer p. 69 |
| 2008 | Prionolobus Brühwiler et al. p. 1166 |
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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. †Prionolobus Waagen 1895
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†Meekoceras (Prionolobus) waageni Hyatt and Smith 1905
†Prionolobus buchianus de Koninck 1863
†Prionolobus hanieli Welter 1922
†Prionolobus hubeiensis Xu 1988
†Prionolobus indoaustralicus Wanner 1911
†Prionolobus konincki Tozer 1994
†Prionolobus lucinus Tozer 1994
†Prionolobus ophioneus Waagen 1895
†Prionolobus orbis Spath 1934
†Prionolobus planulatus de Koninck 1863
†Prionolobus sequens Waagen 1895
†Prionolobus welteri Tozer 1994
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 20.1 | 10.9 | 28.0 | 22.1 | 6.69 | |
| shell diameter | 6 | 44.0 | 24.0 | 66.0 | 54.5 | 17.8 | |
| shell inflation | 6 | 16.3 | 8.60 | 23.8 | 17.8 | 5.64 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Changhsingian to the top of the Smithian or 254.14000 to 248.10000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Iran | P. sp. (118293) | |
| Griesbachian | India | P. hodgsoni (44028) Xenodiscus buchianus (110990 110993) | |
| Griesbachian | China (Shaanxi) | P. sp. (149066) | |
| Griesbachian | Greenland | P. sp. (118658) P. sp. nov. (118677) | |
| Griesbachian | China (Guizhou) | P. sp. (149285 149286 151118) | |
| Griesbachian | China (Zhejiang) | P. sp. (111657) | |
| Induan | China (Anhui) | P. sp. (95654) | |
| Induan | India | P. sp. (210992) | |
| Dienerian | Canada (British Columbia) | P. konincki (105306) P. welteri (105259 105260) | |
| Dienerian | Russian Federation | P. sp. (124969) | |
| Dienerian | China (Anhui) | P. sp. (149192) | |
| Dienerian | Pakistan | P. ophioneus (143810) P. orbis (215004) | |
| Dienerian | China (Guizhou) | P. sp. (149302) | |
| Dienerian - Spathian | China | P. ophioneus (44006) | |
| Smithian | Russian Federation (Primorye) | P. subevolutus (47235) P. subevolvens (47247 47259) | |
| Smithian | Pakistan | Meekoceras planulatum (143823) P. sequens (143848) | |
| Smithian | Indonesia | Meekoceras indoaustralicum (204263) | |
| Smithian | China (Gunagxi) | P. involutus, P. spp. (44000) | |
| Smithian | Russian Federation | P. sp. (127725) | |
| Smithian | India (Himachal Pradesh) | P. sp. (73211) | |
| Smithian | Indonesia (Timor) | Meekoceras hanieli (204266) | |
| Smithian | USA (California) | Meekoceras waageni (33298) | |
| Smithian | Canada (British Columbia) | P. lucinus (105195) | |
| Smithian | Oman | Meekoceras indoaustralicum (73234) | |
| Olenekian | Indonesia | P. indoaustralicus, P. hanieli (214983) |