Siphonostomites
| Siphonostomites Temporal range:
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|---|---|
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| Type specimen | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Order: | incertae sedis |
| Genus: | †Siphonostomites |
| Species: | †S. hesionoides
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| Binomial name | |
| †Siphonostomites hesionoides Roverto, 1904
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Siphonostomites hesionoides is a species of polychaete annelid known only from subtidal lagoon deposits from the Early Eocene of Monte Bolca, Verona, Italy.[1][2]
It has a fusiform body with chaetae along its length, decreasing in length towards front and rear.
History of classification
[edit]Originally described as an alga, 19th century palaeontologists lumped Siphonostomites into wastebasket 'worm' taxa such as Nereites or Eunicites. Roverto (1904) formally established the separate genus, without illustration; a full description was not provided until Alessandrello's 1990 work.[3]
It was considered in the 1962 Treatise to belong to the Flabelligeridae (the current name for Chloraemidae),[4] though this designation is treated with some scepticism by modern experts.[5]: 413
References
[edit]- ^ Briggs, Derek E. G.; Kear, Amanda J. (1993). "Decay and Preservation of Polychaetes: Taphonomic Thresholds in Soft-Bodied Organisms". Paleobiology. 19 (1): 107–135. doi:10.1017/S0094837300012343. JSTOR 2400774.
- ^ Alessandrello, A. 1990. A revision of the annelids from the Eocene of Monte Bolca (Verona, Italy). Studi e richerche sui giacimenti terziari di Bolca, VI, Miscellanea Paleontologica, MCSN Verona 1990:175-214.
- ^ C.A. Papazzoni; L. Giusberti; G. Carnevale; G. Roghi; D. Bassi; R. Zorzin, eds. (2014). "7. The Pesciara-Monte Postale Fossil-Lagerstätte: 4. The "minor fauna" of the laminites" (PDF). Excursion guidebook CBEP 2014-EPPC 2014-EAVP 2014-Taphos 2014 Conferences: The Bolca Fossil-Lagerstätten: A window into the Eocene World. Vol. 4. Rendiconti della Società Paleontologica Italiana. pp. 73–87.
- ^ Howell, B F (1962). Moore, R. C. (ed.). Treatise on Invertebrate. Geological Society of America. pp. 144–177.
- ^ Westheide, Wilfried; Purschke, Günter; Bleidorn, Christoph; Helm, Conrad; MacKie, Andrew S.Y.; Böggemann, Markus; Blake, James A.; Ebbe, Brigitte; Zhadan, Anna E.; Salazar-Vallejo, Sergio I.; Dean, Harlan K.; Magalhães, Wagner; Martínez, Alejandro; Worsaae, Katrine; Núñez, Jorge; Fiege, Dieter; MacIolek, Nancy J. (2019), "7. Pleistoannelida", in Purschke, Günter; Böggemann, Markus; Westheide, Wilfried (eds.), Annelida, pp. 217–466, doi:10.1515/9783110291582-007, ISBN 9783110291582, S2CID 243185961
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