Bowengriphus

Bowengriphus; Temporal range: Late Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	incertae sedis
Genus:	† Bowengriphus ; Ritchie & Edgecome, 2001
Species:	†B. perphlegis
Binomial name
	†Bowengriphus perphlegis; Ritchie & Edgecome, 2001

Last updated October 30, 2025

Bowengriphus is a freshwater organism known from Late Permian deposits in Rangal Coal Measures of eastern central Queensland, Australia

It was originally interpreted as a relative of Odontogriphus , but a re-analysis of this fossil discounted any relationship, placing the fossil as incertae sedis .^[2]

It is a small (≈15 cm), elongate, soft-bodied bilaterian as the body is bilaterally symmetrical, with a rounded anterior region and a tapering posterior. Its most distinctive feature is a double-looped feeding apparatus with paired rows of conical elements, integrated into the anterior region. No segmentation, limbs, or mineralized skeleton are present. The fossil shows a single, continuous body plan without evidence of separate appendages or external armor.

References

1 2 Ritchie, A.; Edgecombe, G. D. (2001). "An Odontogriphid from the Upper Permian of Australia". Palaeontology. 44 (5): 861–874. doi: 10.1111/1475-4983.00205 .
↑ Caron, J.-B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale" (PDF). Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl: 1912/1404 . PMID 16838013. S2CID 4431853.

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[Ritchie2001-1] 1 2 Ritchie, A.; Edgecombe, G. D. (2001). "An Odontogriphid from the Upper Permian of Australia". Palaeontology. 44 (5): 861–874. doi: 10.1111/1475-4983.00205 .

[Caron2006-2] Caron, J.-B.; Scheltema, A.; Schander, C.; Rudkin, D. (2006). "A soft-bodied mollusc with radula from the Middle Cambrian Burgess Shale" (PDF). Nature. 442 (7099): 159–163. Bibcode:2006Natur.442..159C. doi:10.1038/nature04894. hdl: 1912/1404 . PMID 16838013. S2CID 4431853.

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