Published December 7, 2023
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TABLE 1 in Aulacoseira huguang sp. nov., a new Lateglacial fossil diatom from South China
Authors/Creators
- 1. Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China. & College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China.
- 2. Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China. & CAS Center for Excellence in Life and Paleoenvironment, Beijing, China. & prioual @ mail. iggcas. ac. cn; https: // orcid. org / 0000 - 0001 - 9491 - 91977
- 3. School of Earth Sciences and Resources, China University of Geosciences, Beijing, China. & Lijingjing @ cugb. edu. cn; https: // orcid. org / 0009 - 0003 - 8605 - 7533
- 4. Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China. & wangluo @ mail. iggcas. ac. cn; https: // orcid. org / 0000 - 0003 - 2217 - 8478
Description
TABLE 1. Morphological features of Aulacoseira huguang and the three most similar species.
| A. huguang | A.pusilla | A.subborealis | A. stevensiae | |
|---|---|---|---|---|
| References | This study | (Tuji & Houki 2004, Potapova 2010) | (Denys et al., 2003) | (Weide 2015) |
| Type locality | South China | Japan | Denmark | Vietnam |
| Distribution | Known only from the type locality | Japan, North America | Western Europe, Australia | Known only from the type locality |
| Mantle height(µm) Diameter(µm) | 2.1–3.2 3.9–6.2 | 2–4 5.5–9 | 2.5–4 5.5–9 | 2–3.85 3.5–7.0 |
| Ratio mantle height/ diameter | 0.44–0.75 | 0.6–0.9 | 0.39–0.55 | 0.4–0.55 |
| Pervalvar rows of areolae (in 10 µm) | 14–20 | 23–28 | 23–28 | 22–30 |
| Areolae on valve face | Over entire surface, smaller in the centre | Over entire surface. Irregularly spaced | Over entire surface, placed in a more or less radial pattern | Diminishing in size towards the centre |
| Spine type | Conical | Simple, fairly stout | Conical, rather thick (L/W - 2.5) | Conical, inclined spines |
| Pervalvar ribs at base of spines | 2 | 2 | 2 | 2 |
| Rimoportula number | 2 | 1-4 | 1(?) | n/a |
| Rimoportula position | Sessile on ringleist, at opposite places on the perimeter of the valve. | Very long, form a ring inside the ringleist | stout, on ringleist | Not described |
Notes
Published as part of He, Wenyu, Rioual, Patrick, Luo, Hai, Li, Jingjing & Wang, Luo, 2023, Aulacoseira huguang sp. nov., a new Lateglacial fossil diatom from South China, pp. 228 in Phytotaxa 629 (3) on page 228, DOI: 10.11646/phytotaxa.629.3.4, http://zenodo.org/record/10281851
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Additional details
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Related works
- Is part of
- Journal article: 10.11646/phytotaxa.629.3.4 (DOI)
- Journal article: urn:lsid:plazi.org:pub:8408FFF7FFEF0B2FFC34F55DFF76FFF1 (LSID)
- Journal article: http://publication.plazi.org/id/8408FFF7FFEF0B2FFC34F55DFF76FFF1 (URL)
- Journal article: http://zenodo.org/record/10281851 (URL)
References
- Tuji, A. & Houki, A. (2004) Taxonomy, ultrastructure, and biogeography of the Aulacoseira subarctica species complex. Bulletin of National Science Museum 30 (2): 35 - 55.
- Potapova, M. (2010) Aulacoseira pusilla. In: Diatoms of North America. Available from: https: // diatoms. org / species / Aulacoseira _ pusilla (accessed: 18 November 2022).
- Denys, L., Muylaert, K., Krammer, K., Joosten, T., Reid, M. & Rioual, P. (2003) Aulacoseira subborealis stat. nov. (Bacillariophyceae): a common but neglected plankton diatom. Nova Hedwigia 77 (3 - 4): 407 - 427. https: // doi. org / 10.1127 / 0029 - 5035 / 2003 / 0077 - 0407
- Weide, D. M. (2015) Aulacoseira stevensiae sp. nov. (Coscinodiscophyceae, Bacillariophyta), a new diatom from Ho Ba Be, Bac Kan Province, Northern Viet Nam. Diatom Research 30 (3): 263 - 268. https: // doi. org / 10.1080 / 0269249 x. 2015.1074114