A New Species of Laccognathus (Sarcopterygii, Porolepiformes) from the Late Devonian of Ellesmere Island, Nunavut, Canada

@inproceedings{Downs2011ANS,
  title={A New Species of Laccognathus (Sarcopterygii, Porolepiformes) from the Late Devonian of Ellesmere Island, Nunavut, Canada},
  author={J. Downs and E. Daeschler and F. Jenkins and N. Shubin},
  year={2011}
}
  • J. Downs, E. Daeschler, +1 author N. Shubin
  • Published 2011
  • Geology
  • ABSTRACT Recent work in the Late Devonian (Frasnian) Fram Formation of Ellesmere Island, Nunavut, Canada, has produced the first North American record of Laccognathus (Sarcopterygii, Porolepiformes), a taxon previously known only from Latvia and Russia. Represented by a large sample that includes cranial material from 22 individuals, Laccognathus embryi, sp. nov., is uniquely diagnosed by features including the absence of marginal teeth on coronoids 1 and 2, and the lack of a fifth posthyal… CONTINUE READING

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    References

    Publications referenced by this paper.
    SHOWING 1-10 OF 58 REFERENCES
    Observations on two rhipidistian fishes from the Upper Devonian of Lode, Latvia
    • 36
    • Highly Influential
    A NEW COELACANTH FROM THE MIDDLE DEVONIAN OF LATVIA
    • 32
    The unique fossil assemblage from the Lode Quarry (Upper Devonian, Latvia)
    • 35
    • PDF
    A Devonian tetrapod-like fish and the evolution of the tetrapod body plan
    • 336
    • PDF
    Revised World maps and introduction
    • 1,015
    • PDF
    Ventastega curonica and the origin of tetrapod morphology
    • 68
    • PDF
    CHARACTER DIAGNOSIS, FOSSILS AND THE ORIGIN OF TETRAPODS
    • 128
    The cranial endoskeleton of Tiktaalik roseae
    • 44
    Fish-like gills and breathing in the earliest known tetrapod
    • 131