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Haplothecia
Taxonomy
Haplothecia was named by Frech (1885) [Sepkoski's age data: D Give-u D Fras-u Sepkoski's reference number: 174,680]. It is not extant.
It was assigned to Phillipsastraeinae by Hill (1956); to Hexagonariinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Phillipsastraeinae by Hill (1956); to Hexagonariinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
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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. †Haplothecia Frech 1885
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Subg. †Haplothecia (Kuangxiastraea) Yu and Kuang 1983
†Haplothecia schlotheimi Pickett 1967
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Givetian to the top of the Early/Lower Frasnian or 383.40000 to 379.00000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | United Kingdom (England) | H. pengellyi (81021) | |
| Givetian | Spain (Castilla-León) | H. filata (80707 80711) H. pengellyi (80481 80592 80593) | |
| Late/Upper Givetian | Germany | H. schlotheimi (197087) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | H. pengellyi (26849) | |
| Early/Lower Frasnian | Germany | H. sp. (227864) | |
| Frasnian | Afghanistan (Vardak) | H. sp. (84639) | |
| Frasnian | Germany | H. sp. (227863 227865) |