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Undatacinctus
Taxonomy
Undatacinctus was named by Smith and Zamora (2009). Its type is Sucocystis undata.
It was assigned to Sucocystidae by Smith and Zamora (2009), Zamora and Alvaro (2010) and Zamora et al. (2023).
It was assigned to Sucocystidae by Smith and Zamora (2009), Zamora and Alvaro (2010) and Zamora et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Undatacinctus Smith and Zamora p. 816 |
| 2010 | Undatacinctus Zamora and Alvaro p. 1356 |
| 2023 | Undatacinctus Zamora et al. p. 5 fig. 2 |
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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. †Undatacinctus Smith and Zamora 2009
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†Undatacinctus acrofera Friedrich 1993
†Undatacinctus melendezi Schroeder 1973
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Invalid names: Sucocystis pardailhanicus Termier and Termier 1973 [synonym]
†Undatacinctus quadricornuta Friedrich 1993
†Undatacinctus undata Friedrich 1993
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. B. Smith and S. Zamora 2009 | A clade of Sucocystidae with the following synapomorphy: obvious protuberance developed on the dorsal part of plates M2l, M3l, M3r and M4r. Other (plesiomorphic) features: protuberances present on ventral surface of marginal ring – always present on plates M0, M2l, M3l, M2r, M3r and M4r. Food groove with short right-hand branch extending only as far as plate M2r and left-hand branch extending to plate M1l. Ventral plated surface composed of relatively few large plates. |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Raman et al. 2015, Aberhan 1992 | |||||
Age range: Middle Cambrian or 509.00000 to 497.00000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cambrian | Spain | Gyrocystis melendezi (193777) | |
| Middle Cambrian | France | Sucocystis acrofera, Sucocystis melendezi (198930 199040) Sucocystis melendezi (198929) Trochocinctus pardailhanicus (199498) | |
| Middle Cambrian | France (Languedoc-Roussillon) | Sucocystis melendezi (198924 198925 198926) Trochocinctus pardailhanicus (199497) | |
| Middle Cambrian | Morocco | Sucocystis quadricornuta (198940) Sucocystis undata (198941) |