The genus Afrocymbella (Bacillariophyceae) from lakes Malawi and Tanganyika, with description of new fossil and extant species
Author
Stone, Jeffery R.
0000-0002-1313-0643
Indiana State University, Department of Earth and Environmental Systems, Terre Haute, Indiana, U. S. A. & jeffery. stone @ indstate. edu; https: // orcid. org / 0000 - 0002 - 1313 - 0643
jeffery.stone@indstate.edu
Author
Wilson, Mallory C.
0000-0002-2852-125X
Indiana State University, Department of Earth and Environmental Systems, Terre Haute, Indiana, U. S. A. & mwilson 108 @ sycamores. indstate. edu; https: // orcid. org / 0000 - 0002 - 2852 - 125 X
mwilson108@sycamores.indstate.edu
Author
Jovanovska, Elena
0000-0002-3413-3683
Senckenberg Research Institute, Department of Paleoanthropology, Frankfurt am Main, Germany & jovanovska. eci @ gmail. com; https: // orcid. org / 0000 - 0002 - 3413 - 3683
jovanovska.eci@gmail.com
text
Phytotaxa
2022
2022-08-01
556
1
21
48
http://dx.doi.org/10.11646/phytotaxa.556.1.3
journal article
111190
10.11646/phytotaxa.556.1.3
ac636d2a-3e29-49a7-a37c-a44fb4e0e878
1179-3163
6951967
TABLE 1. Main morphological features and distribution of Afrocymbella species reported in this study. Ch (Chituta Bay), Is (Isanga Bay), Ko (Kombe), Mp (Mpulungu), Ka (Kalambo River), Cm (Chembe Bay), Ma (Mangochi), Mb (Monkey Bay), Cb (Chituta Bay), Kb (Kande Beach), Nk (Nkhata Bay), 4K (Kalya Core), 1C (Malawi Core); see Fig. 1.| Species | Length (μm) | Width (μm) | Striae in 10 μm | Areolae in 10 μm | Distribution |
|---|
| A. beccarii | 49.5–54.5 | 10.5–12.0 | 15–19 | 25–30 | Ch, Is |
|---|
| A. brunii | 78.5–94 | 17.5–21.0 | 16–19 | 15–20 | Is, Cm, Mb, Ma |
|---|
| A. gracilis | 138.0–165.5 | 24.5–27.0 | 11–12 | 20–25 | Ch, Ko |
|---|
| A. kociolekii | 37.0–39.5 | 8.0–9.5 | 18–20 | 24–25 | Mp, Cb, Kb, Nk |
|---|
| A. muelleri | 43.5–59.5 | 12.5–14.0 | 16–17 | 25–30 | Ch, Is |
|---|
| A. rossii | 26.0–39.5 | 5.5–7.0 | 14–17 | 20–25 | Kb, Ma, Nk |
|---|
| A. tanganyikae | 27.5–33.5 | 6.2–7.0 | 16–17 | 24–25 | 4K |
|---|
| A. symmetrica sp. nov. | 34–49 | 7.5–9.5 | 15–18 | 26–30 | 4K, Ki |
|---|
| A. nyassae sp. nov. | 20–30 | 7–10 | 14–16 (18) | 30–35 | 1C |
|---|
| A. delphinea sp. nov. | 27–45 | 10.5–13.5 | 16–20 | 26–32 | Mp, Ch, Cb, Is, Cm |
|---|
| A. cocquytiana sp. nov. | 35.0–51.5 | 9.5–12.5 | 11–14 | 26–30 | Ka, Is |
|---|
| A. gibba sp. nov. | 52.5–93.0 | 16.5–22.5 | 13–15 | 16–18 | Cm, Ma |
|---|