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Rhabdinopora flabelliformis anglica
Taxonomy
Dictyonema flabelliforme anglica was named by Bulman (1927).
It was corrected as Dictyonema flabelliforme anglicum by Bulman (1954); it was recombined as Rhabdinopora flabelliforme anglica by Erdtmann (1982); it was recombined as Dictyograptus flabelliforme anglicus by Yu (1985); it was recombined as Rhabdinopora flabelliformis anglica by Cooper et al. (1998) and Wang and Muir (2015); it was recombined as Rhabdinopora anglica by Wagner (2020).
It was corrected as Dictyonema flabelliforme anglicum by Bulman (1954); it was recombined as Rhabdinopora flabelliforme anglica by Erdtmann (1982); it was recombined as Dictyograptus flabelliforme anglicus by Yu (1985); it was recombined as Rhabdinopora flabelliformis anglica by Cooper et al. (1998) and Wang and Muir (2015); it was recombined as Rhabdinopora anglica by Wagner (2020).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Dictyonema flabelliforme anglica Bulman p. 16 figs. pl. 1, figs. 1, 3, 5–8; pl. 2, figs. 5–8 |
| 1954 | Dictyonema flabelliforme anglicum Bulman figs. pl. 4, figs. 3, 5, text-fig. 5a. |
| 1982 | Rhabdinopora flabelliforme anglica Erdtmann p. 129 |
| 1985 | Dictyograptus flabelliforme anglicus Yu p. 22 figs. pl. III, figs. 4, 5 |
| 1998 | Rhabdinopora flabelliformis anglica Cooper et al. figs. 5, 6d,19, 20, 21e |
| 2015 | Rhabdinopora flabelliformis anglica Wang and Muir pp. 91 - 94 figs. 4A–D, 6A, C, D, F, G |
| 2020 | Rhabdinopora anglica Wagner |
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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.
†Rhabdinopora flabelliformis anglica Bulman 1927
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W.-H. Wang and L. A. Muir 2015 | Rhabdosome broadly conical, with four primarystipes. The divergence angle near the apex is around 80–130◦.Most juvenile forms are preserved flattened in horizontal orien-tation (Fig. 6G), normally with 2-3 order branches and seldom dissepiments. The sicula is conical, 1.28 mm long and 0.26 mmwide. In some stipes, the autothecae are relatively unmodi-fied, with acutely denticulate, concave ventral margins. The2TRD varies from 1.54 to 1.82 mm and is variable within individual specimens. Due to the flattened preservation, sicu-lar bitheca is not visible, but bithecae along the stipes can beseen. The branches are relatively well spaced, with an averagewidth of 0.56–0.8 mm in lateral aspect, separated by inter spaces far wider than the stipes, which number only 6–7 in10 mm. The dissepiments are extremely irregular and ratherinfrequent, they are slender and straight, normally perpendic-ular to the stipes, and with an average width of 0.14 mm inlateral view, usually numbering only 2–3 in 10 mm. The sparsedissepiments and widely spaced branches make the appear-ance of meshwork in R. flabelliformis anglica characteristicallyopen. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Canadian to the top of the Blackhillsian or 485.40000 to 470.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | China (Hunan) | Rhabdinopora anglica (210768 210771 210773 210774) | |
| Canadian | USA (Utah) | Dictyonema flabelliforme (103907) | |
| Blackhillsian | USA (Utah) | Rhabdinopora anglica (103888) |