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Sporolithon lugeonii
Taxonomy
Archaeolithothamnium lugeoni was named by Pfender (1926). It is extant.
It was recombined as Sporolithon lugeoni by Moussavian and Kuss (1990), Misra et al. (2006); it was recombined as Sporolithon lugeonii by Ghosh and Maithy (1996), Misra et al. (2011).
It was recombined as Sporolithon lugeoni by Moussavian and Kuss (1990), Misra et al. (2006); it was recombined as Sporolithon lugeonii by Ghosh and Maithy (1996), Misra et al. (2011).
Sister species lacking formal opinion data
S. amphiroaeformis, S. aschersonii, S. bericum, S. borneonsis, S. cyrenaicum, S. episoredion, S. fijiensis, S. fruticulosus, S. haug, S. intermedium, S. kobamazimensis, S. lakiense, S. lauensis, S. lauensum, S. legeonii, S. liberum, S. lycoperdioides, S. molle, S. nammalensis, S. nummulaticum, S. oulianovii, S. oulianovii, S. parisiense, S. phylloideum, S. praeeythraeum, S. propium, S. proprium, S. provinciale, S. rude, S. schmidtii, S. taiwanensis, S. torulosum, S. zonatum
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Archaeolithothamnium lugeoni Pfender |
| 1976 | Archaeolithothamnium lugeoni Lakhanpal et al. |
| 1990 | Sporolithon lugeoni Moussavian and Kuss pp. 934-936 figs. Pl. 2, figs. 3-4 |
| 1996 | Sporolithon lugeonii Ghosh and Maithy |
| 2006 | Sporolithon lugeoni Misra et al. p. 32 |
| 2011 | Sporolithon lugeonii Misra et al. p. 357 |
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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.
Sporolithon lugeonii Pfender 1926
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P.K. Misra et al. 2006 | Growth fonn encrusting to crustose
and lobate, 4.5 mm long and 3.0 mm in width. Thallus organisation monomerOliS. Core filaments non-coaxial. Cells ofcore filaments 18-20 /Jm in length and 8- J2 /Jm in width. The peripheral region ofencrusting portion restricted to dorsal part ofthe thallus with cells 15-20 /Jm in length and 8-10 /Jm in width. Cell fusions present. Tetrasporangial conceptacles arranged in sori. Individual sporangial compartments rectangular, elliptical or ovoid in longitudinal section and circular in transverse section; 60-80 Ilm in height and 35-50 Ilm in width. Sori usually arise from a layer of elongated cells. Filaments (paraphyses) are interspersed between the sporangial compartments. |
Measurements
No measurements are available
No ecological data are available
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | India (Tamil Nadu) | Sporolithon lugeoni (219377) | |
| Senonian | India | Archaeolithothamnium lugeoni (155339) | |
| Danian | India (Tamil Nadu) | Archaeolithothamnium lugeoni (215196) | |
| Paleocene | Slovakia (Presov Region) | Sporolithon lugeoni (237452 237454) | |
| Paleocene - Ypresian | Slovakia (Trencin region) | Sporolithon lugeoni (237457) | |
| Paleocene - Ypresian | Slovakia (Zilina Region) | Sporolithon lugeoni (237462 237466) | |
| Thanetian | Spain (Huesca) | Sporolithon lugeonii (275680 275681 275682 275684 275694) | |
| Thanetian | Slovakia (Upper Vah region) | Sporolithon lugeoni (237433) | |
| Thanetian | Italy | Sporolithon lugeoni (24270) | |
| Thanetian | India (Meghalaya) | Sporolithon lugeoni (221876) | |
| Thanetian | Slovakia (Upper Vah Region) | Sporolithon lugeoni (237432) | |
| Ypresian | Northern Mariana Islands (Saipan) | Sporolithon lugeoni (221894) | |
| Ypresian | Spain (Huesca) | Sporolithon lugeonii (275695 275702 275703) | |
| Eocene | Spain (Lleida) | Sporolithon lugeonii (138287) | |
| Lutetian | India (Meghalaya) | Sporolithon lugeoni (214594 214595 214596) Sporolithon lugeonii (214699 214700) | |
| Lutetian | Spain (Granada) | Sporolithon lugeoni (221481 221482) | |
| Lutetian - Bartonian | Dominican Republic (Barahona) | Sporolithon lugeonii (221483) | |
| Bartonian | India (Meghalaya) | Sporolithon lugeoni (221875) | |
| Priabonian | Switzerland (Ticino) | Sporolithon lugeoni (221881) | |
| Priabonian | Slovenia | Sporolithon lugeonii (240763) | |
| Rupelian | Spain | Sporolithon lugeonii (147599) | |
| Chattian | Spain (Alicante) | Sporolithon lugeoni (221490) |