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Praeconosphaera
Taxonomy
Praeconosphaera was named by Yang (1993).
It was synonymized subjectively with Cenodiscaella by O'Dogherty et al. (2009).
It was assigned to Acaeniotylidae by Kiessling (1999); and to Acaeniotylinae by De Wever et al. (2001).
It was synonymized subjectively with Cenodiscaella by O'Dogherty et al. (2009).
It was assigned to Acaeniotylidae by Kiessling (1999); and to Acaeniotylinae by De Wever et al. (2001).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Praeconosphaera Yang |
| 1999 | Praeconosphaera Kiessling |
| 2001 | Praeconosphaera De Wever et al. p. 114 |
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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. †Praeconosphaera Yang 1993
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†Praeconosphaera antiqua Parona 1890
†Praeconosphaera magnimamma Rüst 1898
†Praeconosphaera sphaeroconus Rüst 1898
†Praeconosphaera spinosa Yang 1993
†Praeconosphaera tuberosa Tan Sin Hok 1927
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Pliensbachian to the top of the Early/Lower Albian or 192.90000 to 110.10000 Ma
Collections (50 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliensbachian | Argentina | P. sphaeraconus (119950) | |
| Late/Upper Callovian - Early/Lower Oxfordian | Philippines | P. sp. (52070) | |
| Oxfordian | Italy | P. tuberosa (47168) | |
| Middle Oxfordian - Early/Lower Kimmeridgian | Slovakia | P. spinosa (53855) P. spinosa, P. sphaeroconus (53853 53858) | |
| Late/Upper Oxfordian | Germany (Bavaria) | P. sphaeroconus (58493) P. spinosa, P. sphaeroconus (58492) | |
| Late/Upper Oxfordian | Switzerland | P. spinosa (47162) | |
| Early/Lower Kimmeridgian | Oman | P. sphaeroconus (125308) | |
| Kimmeridgian | Russian Federation | P. sphaeroconus (51296) | |
| Late/Upper Kimmeridgian | Italy | P. spinosa, P. tuberosa (47166) | |
| Early/Lower Tithonian | Mexico (San Luis Potosi) | P. multiconus (51762 51768) P. multiconus, P. sphaeroconus (51764 51765) P. multiconus, P. spinosa (51767) P. multiconus, P. spinosa, P. sphaeroconus (51769 51770) P. sphaeroconus (51755) P. spinosa (51760 51771) P. spinosa, P. sphaeroconus (51763 51773 51776) | |
| Early/Lower Tithonian | USA (California) | P. spinosa (50741 50743) | |
| Early/Lower Tithonian | Antarctica | P. sphaeroconus (46964 46972) | |
| Early/Lower Tithonian | Italy | P. antiqua, P. magnimamma, P. spinosa, P. tuberosa (47167) P. antiqua, P. tuberosa (47165) | |
| Tithonian | Japan | P. sp. (53905 53906) | |
| Tithonian | Philippines | P. antiqua, P. tuberosa (47170) | |
| Late/Upper Tithonian | Antarctica | P. sphaeroconus (46968) | |
| Late/Upper Tithonian | Japan | P. sp. A, P. sphaeroconus (131594) | |
| Late/Upper Tithonian | Mexico (San Luis Potosi) | P. spinosa (51775) | |
| Late/Upper Tithonian - Berriasian | Germany | P. tuberosa (47169) | |
| Early/Lower Berriasian | Philippines | P. spinosa (51153) | |
| Early/Lower Berriasian | Russian Federation | P. sp., P. sphaeroconus (51288) | |
| Berriasian | Oman | P. antiqua, P. spinosa (47177) P. antiqua, P. tuberosa (47171 47172) P. magnimamma (47175) P. magnimamma, P. spinosa, P. tuberosa (47174) P. sphaeroconus (125368) P. spinosa, P. tuberosa (47176) P. tuberosa (47173) | |
| Late/Upper Barremian | Oman | P. sphaeroconus (125303) | |
| Late/Upper Aptian - Early/Lower Albian | Oman | P. sphaeroconus (47783) |