Biogeography of early Devonian chitinozoa

Theresa Winchester-Seeto*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    The relationship between Early Devonian chitinozoan assemblages from Australia and those of the rest of the world is investigated using simple statistical procedures including the number of taxa in common and the Dice Similarity Coefficient. A moderate degree of generic provincialism is established with 32% of Early Devonian genera being absent from Australian strata, namely Armoricochitina, Cingulochitina, Linochitina, Margachitina, Urnochitina, and Urochitina. In contrast to pre-Devonian times, there is no evidence of provincialism based on paleolatitude. The genera Ancyrochitina, Angochitina, Bursachitina, Calpichitina, Eisenackitina, Fungochitina, Gotlandochitina, Hoegisphaera, Sphaerochitina, and possibly Muscochitina and Bulbochitina are found to be relatively cosmopolitan in distribution.

    Original languageEnglish
    Pages (from-to)235-244
    Number of pages10
    JournalSpecial Paper of the Geological Society of America
    Publication statusPublished - 1997


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