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Orthothrix excavata
Taxonomy
Orthis excavata was named by Geinitz (1842). It is a 3D body fossil. Its type locality is Altenburg near Pösnek (Freiberger Kabinet), which is in a Wuchiapingian reef, buildup or bioherm dolomite in the Zechstein Formation of Germany.
It was recombined as Strophalosia excavata by King (1850) and Geinitz (1861); it was recombined as Orthothrix excavatus by Suveizdis et al. (1975); it was recombined as Orthothrix excavata by Geinitz (1848), Muir-Wood and Cooper (1960) and Tazawa (1975).
It was recombined as Strophalosia excavata by King (1850) and Geinitz (1861); it was recombined as Orthothrix excavatus by Suveizdis et al. (1975); it was recombined as Orthothrix excavata by Geinitz (1848), Muir-Wood and Cooper (1960) and Tazawa (1975).
Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Orthis excavata Geinitz p. 578 figs. Pl 10, figs 12,13 |
| 1848 | Orthothrix excavata Geinitz |
| 1850 | Strophalosia excavata King p. 98 figs. Pl 12, figs 13-17 |
| 1861 | Strophalosia excavata Geinitz p. 93 figs. Pl 17, figs 1-19 |
| 1960 | Orthothrix excavata Muir-Wood and Cooper p. 79 figs. Pl 7, figs 7-16 |
| 1975 | Orthothrix excavatus Suveizdis et al. |
| 1975 | Orthothrix excavata Tazawa p. 633 figs. Pl 2, fig 1 |
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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.
†Orthothrix excavata Geinitz 1842
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 8.00 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Pakistan | Strophalosia excavata (125827) | |
| Wuchiapingian | Pakistan | Strophalosia excavata (119527 126002 126003 126008 126272) | |
| Wuchiapingian | United Kingdom (England) | Strophalosia excavata (95677 130765 130766) | |
| Wuchiapingian | Germany | Orthis excavata (type locality: 118867) | |
| Wuchiapingian | United Kingdom (Durham) | Strophalosia excavata (130771) | |
| Wuchiapingian | United Kingdom | Strophalosia excavata (130768) | |
| Wuchiapingian | Lithuania | Orthothrix excavatus (45952 46170 46408 46413) | |
| Wuchiapingian - Changhsingian | Pakistan | Strophalosia excavata (126750) | |
| Changhsingian | Russian Federation | Strophalosia excavata (127884) |