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Dibrachicystidae
Taxonomy
Dibrachicystidae was named by Zamora and Smith (2011). Its type is Dibrachicystis.
It was assigned to Rhombifera by Zamora and Smith (2011).
It was assigned to Rhombifera by Zamora and Smith (2011).
Subtaxa
Dibrachicystis (type genus), Vizcainoia
Synonymy list
Year | Name and author |
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2011 | Dibrachicystidae Zamora and Smith 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.
Fm. †Dibrachicystidae Zamora and Smith 2011
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G. †Vizcainoia Zamora and Smith 2011
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†Vizcainoia languedocianus Ubaghs 1987
†Vizcainoia moncaiensis Zamora and Smith 2011
Diagnosis
Reference | Diagnosis | |
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S. Zamora and A. B. Smith 2011 | Stalked pelmatozoan with theca of many large stellate plates not organized in circlets and large marginal periproct framed by L-shaped plates. Two large arms arise from a spout-like oral area; arms with a large proximal lumen and uniserial elements at least proximally. Stalk tripartite with large proximal pentameric region, holomeric distal region and intermediate cone-shaped element. |
Measurements
No measurements are available
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Source: o = order, p = phylum | |||||
References: Aberhan et al. 2004, Aberhan 1992 |
Age range: base of the Guzhangian to the top of the Menevian or 500.50000 to 499.50000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Middle Cambrian | Czech Republic (Středočeský) | Vizcainoia sp. (196733) | |
Menevian | Spain (Zaragoza) | Dibrachicystis purujoensis (192403) | |
Menevian | France (Languedoc-Roussillon) | Eocystites languedocianus (129421) | |
Menevian | Spain (Aragon) | Vizcainoia moncaiensis (196975) | |
Guzhangian | China (Yunnan) | Dibrachicystidae indet. (219647) |