Hippopharangites

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Hippopharangites
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Mollusca
Family:† Halkieriidae
Genus:† Hippopharangites
Type species
Hippopharangites dailyi
Species
  • H. dailyi
  • H. groenlandicus

Hippopharangites is a genus of sachitid.

Description

Hippopharangites is a form genus of triangular sclerite. [1] [2] Hippopharangites sclerites have a broad central cavity and small pores opening through the shell wall, equivalent to the lateral chambers of other halkieriids (and the aesthete canals of Chitons?) [3] As the animals grew, the shell plates grew by adding material to the outer edges. [4]

Contents

Significance

This genus is the closest in form to Chancelloriid sclerites, and is thus used to support the union of halkieriids and chancelloriids as Coeloscleritophora. [5]

References

  1. ↑ Hou, Xianguang; Williams, Mark; Siveter, David J.; Siveter, Derek J.; Gabbott, Sarah; Holwell, David; Harvey, Thomas H. P. (2014-12-09). "A chancelloriid-like metazoan from the early Cambrian Chengjiang Lagerstätte, China" (PDF). Scientific Reports. 4 (1). doi: 10.1038/srep07340 . ISSN   2045-2322. PMC   4260403 . PMID   25487514 . Retrieved 2025-10-30.
  2. ↑ Porter, S. M. (2008). "Skeletal Microstructure Indicates Chancelloriids and Halkieriids Are Closely Related". Palaeontology. 51 (4): 865–879. Bibcode:2008Palgy..51..865P. doi: 10.1111/j.1475-4983.2008.00792.x . S2CID   9885948.
  3. ↑ Vinther, J. (2009). "The Canal System in Sclerites of Lower Cambrian Sinosachites (Halkieriidae: Sachitida): Significance for the Molluscan Affinities of the Sachitids". Palaeontology. 52 (4): 689–712. Bibcode:2009Palgy..52..689V. doi:10.1111/j.1475-4983.2009.00881.x. S2CID   84163005.
  4. ↑ Conway Morris, S.; Peel, J. S. (1995). "Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution". Philosophical Transactions of the Royal Society B . 347 (1321): 305–358. Bibcode:1995RSPTB.347..305C. doi:10.1098/rstb.1995.0029.
  5. ↑ Conway Morris, S.; Chapman, A. J. (1996). "Lower Cambrian coeloscleritophorans (Ninella, Siphogonuchites) from Xinjiang and Shaanxi, China". Geological Magazine. 133 (1): 33. Bibcode:1996GeoM..133...33M. doi:10.1017/S0016756800007238. S2CID   131199965.
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