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| Grandilingulata Temporal range:Calymmian,1590 Ma | |
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| Grandilingulata qianxiensis | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | incertae sedis |
| Genus: | †Grandilingulata Chen et al, 2023 |
| Species: | †G. qianxiensis |
| Binomial name | |
| †Grandilingulata qianxiensis Chen et al, 2023 | |
Grandilingulata is aCalymmian organism, found in theGaoyuzhuang Formation of China. It has been tentatively placed insideEukaryota due to its complexity and size, alongside other fossils from the formation.[1]
Grandilingulata is a tongue-shaped fossil with gently curved sides, growing up to 30 cm in length and 8 cm in width.[2] As it dates from the earliest Mesoproterozoic, its exact classification is unknown beyond a probable eukaryotic affinity. It is known from twelve specimens, two from the uppermost section and ten from the middle section of the Gaoyuzhuang Formation.
The genus nameGrandilingulata means "large tongue", referring both to its tongue-like shape and its large size for organisms of the time period. The specific nameqianxiensis refers to the location of a newly discovered fossiliferous location inQianxi County, Hebei.[1]
