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Coelonella longula
Taxonomy
Microcoelonella longula was named by Chen (1958). Its type specimen is NIGP 9069 and is a 3D body fossil. Its type locality is AV-55, Guanshan Section, Longtan, Nanjing City, which is in a Kungurian carbonate limestone in the Qixia Formation of China.
It was recombined as Coelonella longula by Chen and Bao (1986), Yi (1990).
It was recombined as Coelonella longula by Chen and Bao (1986), Yi (1990).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1958 | Microcoelonella longula Chen p. 218 figs. Pl 2, figs 30-33,37-41 |
1986 | Coelonella longula Chen and Bao p. 114 figs. Pl 1, figs 5,6 |
1990 | Coelonella longula Yi p. 737 figs. Pl 1, figs 9,10 |
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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.
†Coelonella longula Chen 1958
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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carapace height | 4 | 0.446 | 0.400 | 0.490 | 0.450 | 0.037 | |
valve height | 1 | 0.408 | - | - | - | - |
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Source: o = order, c = class | |||||
References: Alvarez et al. 2008, Kiessling 2004 |
Age range: base of the Sakmarian to the top of the Changhsingian or 293.52000 to 251.90200 Ma
Collections (14 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Sakmarian | China (Fujian) | Coelonella longula (95696) | |
Kungurian | China (Jiangsu) | Coelonella longula (142168 142170 142173 142182 142184 142186 142187 142190) Microcoelonella longula (142174 142178 142183) | |
Changhsingian | China (Fujian) | Coelonella longula (121230 121288) |