Genus Plectroninia Hinde, 1900
- Plectroninia Hinde, G.J. 1900. On some remarkable Calcisponges from the Eocene strata of Victoria (Australia). Quarterly Journal of the Geological Society of London 56: 50-66 pls 3-5 [50].
Type species:
Plectroninia halli Hinde, 1900 by original designation (fossil species).
Distribution
States
Queensland
Extra Distribution Information
New Caledonia, Australia, Indonesia, French Polynesia.
IMCRA
Northeast Shelf Province (40), Northeast Shelf Transition (41)
Diagnosis
Minchinellidae with a basal skeleton made up of two types of fused tetractines, a layer composed of large tetractines and a layer of small tetractines. Tetractines fused by their basal actines, with the apical actine remaining free and pointing outwards. Basal actines attached by simple zygosis in small tetractines, zygosis reinforced by a cement layer in large tetractines. Cortical skeleton of free spicules tangentially arranged.
ID Keys
See Order Lithonida Diagnosis
Diagnosis References
Vacelet, J., Borojevic, R., Boury-Esnault, N. & Manuel, M. 2002. Order Lithonida Vacelet, 1981, Recent. pp. 1185-1192 in Hooper, J.N.A. & Soest, R.W.M. Van (eds). Systema Porifera. A guide to the classification of sponges. New York : Kluwer Academic/Plenum Publishers Vol. 2. [1188]
General References
Vacelet, J. 1970. Les Eponges Pharétronides actuelles. pp. 189-204 in Fry, W.G. (ed.). The Biology of the Porifera. London : Academic Press Symp. Zool. Soc. Lond. Vol. 25 540 pp.
Vacelet, J. 1981. Eponges hypercalcifiées ('Pharétronides', 'Sclérosponges') des cavités des récifs coralliens de Nouvelle-Calédonie. Bulletin du Muséum National d'Histoire Naturelle, Paris [published 1907-1971] 4,A 3: 313-351
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 21-Dec-2011 | 21-Dec-2011 | MOVED | ||
| 23-Feb-2012 | MODIFIED |