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Sphenaulax
Taxonomy
Sphenaulax was named by Zittel (1877) [Sepkoski's age data: J Call-l J Oxfo-u Sepkoski's reference number: 868]. It is not extant.
It was assigned to Hexactinosa by Sepkoski (2002); and to Craticulariinae by Finks et al. (2004).
It was assigned to Hexactinosa by Sepkoski (2002); and to Craticulariinae by Finks et al. (2004).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Sphenaulax Zittel |
| 1989 | Calycospongia Wu and Xiao |
| 2002 | Calycospongia Sepkoski |
| 2002 | Sphenaulax Sepkoski |
| 2004 | Sphenaulax Finks et al. |
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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. †Sphenaulax Zittel 1877
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†Sphenaulax costata Goldfuss 1826
†Sphenaulax globosa Lagneau-Herenger 1962
†Sphenaulax infundibuliforma Rigby et al. 1998
†Sphenaulax irregularis Pisera 1997
†Sphenaulax piriformis Gerasimov 1960
†Sphenaulax pliopetala Wu 1990
†Sphenaulax subargillaceus Gerasimov 1960
Invalid names: Calycospongia Wu and Xiao 1989 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Carnian to the top of the Late/Upper Albian or 237.00000 to 99.60000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | China (Sichuan) | S. infundibuliforma (117022) S. pliopetala, S. infundibuliforma (25405) | |
| Pliensbachian - Toarcian | Italy | S. sp. (38030) | |
| Middle Oxfordian - Late/Upper Oxfordian | Germany | S. costata (74033) | |
| Kimmeridgian | Germany | S. costata (74062) S. costata, S. irregularis (74050 74063) | |
| Early/Lower Kimmeridgian | Germany | S. costata (74037) | |
| Late/Upper Kimmeridgian | Germany | S. costata (34650 74064 74065) | |
| Tithonian | Russian Federation (Moskovskaya Oblast) | S. argillaceus, S. infundibuliformis, S. subargillaceus, S. piriformis (114679 116295) | |
| Early/Lower Tithonian | Germany | S. costata (34608) | |
| Early/Lower Valanginian | France (Provence-Alpes-Cote d'Azur) | S. globosa (111687) | |
| Hauterivian | France (Rhone-Alpes) | S. costata (112150) | |
| Late/Upper Albian | France (Languedoc-Rousillon) | S. globosa (112213) |