Frýda, Jiří (1993) Oldest representative of the family Palaeozygopleuridae (Gastropoda) with notes on its higher taxonomy. Journal of Paleontology, 67 (5) 822-827 doi:10.1017/s0022336000037082
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Oldest representative of the family Palaeozygopleuridae (Gastropoda) with notes on its higher taxonomy | ||
| Journal | Journal of Paleontology | ||
| Authors | Frýda, Jiří | Author | |
| Year | 1993 (September) | Volume | 67 |
| Issue | 5 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0022336000037082Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 416044 | Long-form Identifier | mindat:1:5:416044:5 |
| GUID | 0 | ||
| Full Reference | Frýda, Jiří (1993) Oldest representative of the family Palaeozygopleuridae (Gastropoda) with notes on its higher taxonomy. Journal of Paleontology, 67 (5) 822-827 doi:10.1017/s0022336000037082 | ||
| Plain Text | Frýda, Jiří (1993) Oldest representative of the family Palaeozygopleuridae (Gastropoda) with notes on its higher taxonomy. Journal of Paleontology, 67 (5) 822-827 doi:10.1017/s0022336000037082 | ||
| In | (1993, September) Journal of Paleontology Vol. 67 (5) Cambridge University Press (CUP) | ||
| Abstract/Notes | The oldest representative of the family Palaeozygopleuridae (Loxonematoidea, Gastropoda), Palaeozygopleura chlupaci n. sp., from the Lower Devonian (Lochkovian, Monograptus uniformis Zone) of Bohemia is described. Also, its higher taxonomic position and the relationship of the families Loxonematidae and Palaeozygopleuridae are discussed. The diagnoses of both families give no unambiguous criteria for their distinction and their revision is necessary. The gradual disappearance of the deep, asymmetrical sinus in the apertural lip during the phylogeny of loxonematoidean gastropods could probably occur by two different modes and it could be produced by other changes in the mantle cavity rather than by progressive loss of the right-hand ctenidium. The family Palaeozygopleuridae is considered to be polyphyletic and, thus, is an artificial group. | ||
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