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Rhabdostropha
Taxonomy
Loxonema (Rhabdostropha) was named by Donald (1905). Its type is Rhabdostropha grindrodii.
It was synonymized subjectively with Loxonema by Knight et al. (1960); it was reranked as Rhabdostropha by Wagner (2023).
It was assigned to Loxonema by Donald (1905); and to Omospirinae by Wagner (2023).
It was synonymized subjectively with Loxonema by Knight et al. (1960); it was reranked as Rhabdostropha by Wagner (2023).
It was assigned to Loxonema by Donald (1905); and to Omospirinae by Wagner (2023).
Subtaxa
R. cancellata, R. grindrodii (type species), R. latisinuata, R. leijiatunensis, R. minuta, R. obscura, R. primitiva, R. quinquecincta, R. stokei
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Loxonema (Rhabdostropha) Donald |
| 1976 | Kjerulfonema Peel and Yochelson |
| 2002 | Kjerulfonema Sepkoski |
| 2023 | Rhabdostropha Wagner p. G371 |
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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. †Rhabdostropha Donald 1905
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†Rhabdostropha cancellata de Sowerby and Murchison 1839
†Rhabdostropha grindrodii Donald 1905
†Rhabdostropha latisinuata Longstaff 1924
†Rhabdostropha leijiatunensis Xi and Yu 1990
†Rhabdostropha minuta Lindström 1884
†Rhabdostropha obscura Donald 1902
†Rhabdostropha primitiva Longstaff 1924
†Rhabdostropha quinquecincta Kjerulf 1865
†Rhabdostropha stokei Longstaff 1909
Invalid names: Kjerulfonema Peel and Yochelson 1976 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Pusgillian to the top of the Givetian or 449.50000 to 382.31000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | USA (Alaska) | Murchisonia sp. (49346 49351) | |
| Pusgillian | United Kingdom (Scotland) | Loxonema primitiva (73133) | |
| Cautleyan | United Kingdom (Scotland) | Loxonema latisinuata (155414) | |
| Rawtheyan | United Kingdom (Scotland) | Loxonema primitiva (73134) | |
| Aeronian | Canada (Quebec) | R. quinquecincta (172938 172940) | |
| Aeronian | United Kingdom (England) | Holopella cancellata (56397) | |
| Aeronian | Norway (Oslo) | Kjerulfonema quinquecincta (49984) | |
| Aeronian | United Kingdom (Wales) | Holopella cancellata (56395 56396) | |
| Telychian | United Kingdom (England) | Loxonema cancellatum (49635) | |
| Telychian | China (Guizhou) | Girvania leijiatunensis (56659) | |
| Telychian | United Kingdom (Wales) | Holopella cancellata (172854) | |
| Telychian | Norway (Oslo) | Kjerulfonema quinquecincta (49985) | |
| Gorstian | Sweden (Gotland) | Holopella minuta (13603) | |
| Ludfordian | United Kingdom (England) | Loxonema grindrodii (156587) | |
| Givetian | USA (New York) | Paleozygopleura sp. (8811 8820 8826 8829 8830 8833 8916 8919 8920 8924 8927 8928 8929 8930 8968) |