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Pyrgochonia
Taxonomy
Pyrgochonia was named by Zittel (1878) [Sepkoski's age data: J Oxfo-l J Kimm-u Sepkoski's reference number: 868,1066]. It is not extant. It is the type genus of Pyrgochoniinae.
It was assigned to Rhizomorina by Pisera (1997); to Lithistida by Sepkoski (2002); and to Pyrgochoniinae by Finks et al. (2004).
It was assigned to Rhizomorina by Pisera (1997); to Lithistida by Sepkoski (2002); and to Pyrgochoniinae by Finks et al. (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Pyrgochonia Zittel |
| 1997 | Pyrgochonia Pisera p. 88 |
| 2002 | Pyrogochonia Sepkoski |
| 2004 | Pyrgochonia Finks et al. p. 297 |
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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. †Pyrgochonia Zittel 1878
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Subg. †Pyrgochonia (Actinostrombus) Schrammen 1924
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†Pyrgochonia (Actinostrombus) radiata Goldfuss 1829
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Whittington et al. 1997 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Late/Upper Kimmeridgian or 168.20000 to 149.20000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian | India (Gujarat) | Hyalotragos radiatum (93561) | |
| Middle Oxfordian | Poland | Hyalotragos radiatum (60807 60812 60821 60850) | |
| Late/Upper Oxfordian | Poland | Hyalotragos radiatum (60851 60852) | |
| Early/Lower Kimmeridgian | Germany | P. radiata, P. acetabulum (74037) | |
| Kimmeridgian | Germany | P. acetabulum (74062 74063) P. radiata (74050) | |
| Late/Upper Kimmeridgian | Germany | P. radiata (74066) P. radiata, P. acetabulum (74064 74065) |