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Monograph: Multielement conodont apparatuses of Triassic Gondolelloidea

Special Papers in Palaeontology - No. 73 - Cover Image
Publication: Special Papers in Palaeontology
Number: 73
Publication Date: 2005
Page(s): 73 101
Authored By: Michael J. Orchard
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How to Cite

ORCHARD, M.J. 2005. Multielement conodont apparatuses of Triassic Gondolelloidea. In PURNELL, M.A. and DONOGHUE, P.C.J (eds.) Conodont Biology and Phylogeny: Interpreting the Fossil Record. Special Papers in Palaeontology73, 73–101.

Author Information

  • Michael J. Orchard - Geological Survey of Canada, 101–605 Robson St., Vancouver, BC, V6B 5J3 Canada (e-mail:

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Wiley Published Book


New multielement reconstructions of 26 Triassic conodont species representing 26 genera assigned to the superfamily Gondolelloidea are presented. Most of these have formerly been interpreted as single element taxa based on biased collections of disjunct elements, but here all complete apparatuses are regarded as consisting of 15 elements. Eight genera are new: Conservatella, Columbitella, Discretella, Meekella, Novispathodus, Spathicuspus, Trammerella and Wapitiodus. The genera are classified into seven subfamilies (five new: Cornudininae, Epigondolellinae, Mullerinae, Novispathodinae, Paragondolellinae). One new species is described: Wapitiodus robustus. All taxa are characterized by a pair of enantiognathiform S1 elements, the diagnostic character for the superfamily. Assembly of genera into subfamilies is based on similarity in the morphology of homologous ramiform elements, with emphasis on the position of the antero-lateral processes relative to the cusp in the alate S0 elements; the development of a second anterolateral process in the digyrate S2 elements; and the occurrence and position of an accessory antero-lateral process in the bipennate S3 elements.

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