Published July 31, 2023
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Table 15 in Phylogeny and revision of Leucaltis and Leucettusa (Porifera: Calcarea), with new classification proposals and description of a new type of aquiferous system
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Description
Table 15. Spicule measurements of RoƜella Ʋera
| Specimen/Reference | Spicule | Actine | Length (µm) | Width (µm) | N | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Mean | SD | Max | Min | Mean | SD | Max | ||||
| BMNH 1884.4.22.60 (H) | Cortical triactine | 270.0 | 296.7 | 30.6 | 330.0 | 20.0 | 23.3 | 5.8 | 30.0 | 3 | |
| Cortical tetractinea | - | - | - | - | - | - | - | - | - | ||
| Pygmy triactine | - | 50.0 | - | - | - | 5.0 | - | - | 1 | ||
| Pygmy tetractine | basal | 50.0 | 63.8 | 10.2 | 82.5 | 7.5 | 10.0 | 1.7 | 12.5 | 10 | |
| apical | 70.0 | 78.3 | 8.8 | 87.5 | 7.5 | 10.0 | 2.5 | 12.5 | 3 | ||
| After Poléjaeff (1883; H) | Cortical triactine | - | - | - | 450.0 | - | 37.5 | - | - | ? | |
| Cortical tetractine | basal | - | - | - | 800.0 | - | 80.0 | - | - | ? | |
| apical | 600.0 | - | - | 2000.0 | 60.0 | - | - | 200.0 | ? | ||
| Pygmy triactine | - | - | - | - | - | - | - | - | - | ||
| Pygmy tetractine | basal | 50.0 | - | - | 100.0 | 5.0 | - | - | 10.0 | ? | |
| apical | 50.0 | - | - | 100.0 | 5.0 | - | - | 10.0 | ? | ||
| After Borojević & Grua (1965) | Cortical triactine | 150.0 | - | - | 350.0 | 10.0 | - | - | 20.0 | ? | |
| Cortical tetractine | basal | 300.0 | - | - | 500.0 | - | 50.0 | - | - | ? | |
| apical | - | - | - | 2000.0 | - | - | - | - | ? | ||
| Pygmy triactine | 55.0 | - | - | 100.0 | - | 10.0 | - | - | ? | ||
| Pygmy tetractine | basal | 55.0 | - | - | 100.0 | - | 10.0 | - | - | ? | |
| apical | - | - | - | - | - | - | - | - | - | ||
aActines were broken in the preparations and could not be measured. H, holotype.
Notes
Published as part of Lopes, Matheus Vieira & Klautau, Michelle, 2023, Phylogeny and revision of Leucaltis and Leucettusa (Porifera: Calcarea), with new classification proposals and description of a new type of aquiferous system, pp. 740 in Zoological Journal of the Linnean Society 198 on page 740, DOI: 10.1093/zoolinnean/zlad008, http://zenodo.org/record/7894159
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Additional details
Identifiers
References
- Polejaeff N. 1883. Report on the Calcarea dredged by the HMS Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage Challenger (Zoology) 8: 1 - 76.
- Borojevic R, Grua P. 1965. Eponges calcaires de Kerguelen. Systematique et ecologie. ArchiVes de Zoologie Experimentale et Generale 105: 1 - 29.