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Tannuolina maroccana
Taxonomy
Tannuolina maroccana was named by Skovsted et al. (2014) [= Tannuolina sp. Fernandez-Remolar 2002, p. 44, pls 1–2.]. Its type specimen is NRMX 5267, a partial shell (mitral sclerite), and it is a 3D body fossil. Its type locality is TZ-22, which is in an Atdabanian reef, buildup or bioherm limestone in the Amouslek Formation of Morocco.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Tannuolina maroccana Skovsted et al. pp. 175 - 179 fig. 4–9 |
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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.
†Tannuolina maroccana Skovsted et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. Skovsted et al. 2014 | Species of Tannuolina characterized by the presence of both narrowly compressed, bilaterally symmetrical sellate sclerites and asymmetrical, openly coiled sellate sclerites with deep internal cavity, and a shallow sella and subcentral keel on the sellate side. Sellate sclerites with open perforations concentrated to both lateral margins and to a narrow zone surrounding the lateral margin on both the duplicatural and sellate sides. Mitral sclerites with convex decrescent side, a shallow external furrow and a low internal carina on the carinate side and poorly differentiated obcarinate and acrescent sides. Obcarinate/acrescent sides with multiple, externally open perforations and decrescent side with a fine cancellate surface ornament. A single perforation or a small group of large perforations are located close to boundary of the initial growth increment, at the junction of the decrescent and carinate sides. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Kiessling 2004, Hendy 2009, Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Morocco | Tannuolina maroccana (type locality: 174244) |