A revision of the gastropod fauna of the Lilydale Limestone (Early Devonian) of Victoria

Tassell, C. B.

doi:10.24199/j.mmv.1976.37.01

Cited by 14 publications

(9 citation statements)

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“…Gubanov & Yochelson (1994) pointed out that the presence of a shallow but distinct umbilicus in Oriostoma distinguishes Australonema from the latter genus. However, as shown by Tassell (1980), the shells of Australonema species including the type species A. australis (Etheridge, 1890), also have a well developed umbilicus. Yochelson & Linsley (1972) described and illustrated a specimen of Cyclonema lilydalensis Etheridge, 1891 (= A. lilydalensis) with an in situ paucispiral operculum.…”

Section: Genus Australonema Tassel 1980mentioning

confidence: 99%

“…The higher systematic position of the genus Oriomphalus is still uncertain because of the lack of data on its protoconch morphology. Judging from teleoconch morphology, it probably belongs to the archaeogastropod lineage and close to the genus Australonema Tassell, 1980. Oriomphalus multiornatus sp. nov. Figure 9A- Material.…”

Section: Class Gastropoda Cuvier 1797mentioning

confidence: 99%

“…-Tassell (1980) established the new genus Australonema for gastropods with numerous, closely spaced spiral elements of ornamentation and placed it within the Subfamily Gyronematinae Knight, 1956 of the Family Holopeidae Wenz, 1938. Tassell (1980 described and transferred six species from Early Silurian to Early Devonian strata of Australia to the genus Australonema.…”

Section: Genus Australonema Tassel 1980mentioning

confidence: 99%

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Diversity and palaeoecology of Early Devonian invertebrate associations in the Tafilalt (Anti-Atlas, Morocco)

Frey¹,

Naglik²,

Hofmann³

et al. 2013

Bull. Geosci.

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Quantitative analyses of the taxonomic composition and palaeoecology of five Early Devonian faunules (earliest Lochkovian to early Emsian) collected from the locality Jebel Ouaoufilal in the Tafilalt (Morocco) were conducted. We examined 3376 specimens belonging to 158 species and their stratigraphic distribution. The quantitative data sets were analysed for alpha diversity and ecospace utilization. Macrofossils of every faunule were identified, counted and grouped according to ecological categories of tiering, motility and feeding behaviour. Based on these data, we noted (i) a strong increase in species richness, especially in benthic species, from the lowermost Lochkovian to the Pragian stage and a following subtle decrease in the early Emsian and (ii) a considerable expansion of ecospace use from the earliest Lochkovian to the early Emsian. These general trends are considered to be a result of favourable living conditions due to a growing oxygen content at the sea floor, which correlates with a regional and potentially a global regression from the Lochkovian to the Pragian. A transgression in the early Zlíchovian probably reduced the species richness by decreasing the oxygenation of bottom waters. Additionally, we described and figured three new genera and six new species of the diverse Pragian faunule (86 species): the hederelloid Filihernodia buccina gen. et sp. nov., the crinoid Hexawacrinus claudiakurtae gen. et sp. nov., the gastropods Oriomphalus multiornatus sp. nov., Eohormotomina restisevoluta gen. et sp. nov., and the cephalopods Tenuitheoceras secretum gen. et sp. nov. and Arionoceras kennethdebaetsi sp. nov. We record the first occurrence of Tiaracrinus moravicus from Africa. •

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Section: Genus Australonema Tassel 1980mentioning

confidence: 99%

Section: Class Gastropoda Cuvier 1797mentioning

confidence: 99%

Section: Genus Australonema Tassel 1980mentioning

confidence: 99%

See 1 more Smart Citation

Diversity and palaeoecology of Early Devonian invertebrate associations in the Tafilalt (Anti-Atlas, Morocco)

Frey¹,

Naglik²,

Hofmann³

et al. 2013

Bull. Geosci.

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show abstract

“…Pragian to early Emsian faunas are best represented by the Lilydale assemblage (Tassell, 1976(Tassell, , 1980. Emsian faunas are known from Taemas (Tassell, 1980(Tassell, , 1982, the Brogans Creek Limestone in New South Wales (undescribed), and in the Ukalunda Beds of central Queensland (Cook, 1995).…”

Section: Early Devonianmentioning

confidence: 99%

“…Taxa characteristic of this subprovince are outlined in Table I. Boucot, Johnston and Talent (1969) and Tassell (1976) characterised the oriostomatid, temnodiscid and euomphalid gastropods of the Early Devonian in Eastern Australia as holdover taxa from the Silurian. To these, the murchisoniid Michelia and the gyronematine Australonema should be added.…”

Section: Introductionmentioning

confidence: 99%

Palaeobiogeography of Australian Devonian gastropods

Cook¹

2001

Historical Biology

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Semitubina yukonensis new species, first occurrence of this biogeographically distinctive Old World Realm gastropod genus in the Lower Devonian of the western hemisphere

2001

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Despite the rapidly expanding knowledge of Lower Devonian brachiopod faunas of the Western Cordillera of Canada (Lenz, 1976, 1977a, 1977b, 1982; Ludvigsen, 1970; Perry, 1984; Perry and Lenz, 1978; Perry et al., 1974, 1981), equivalent data on coeval gastropod faunas from this region are non-existent; to date, no publications have appeared in which gastropods have been described. Blodgett et al. (1988, table 1) provided faunal lists for two Lower Devonian localities in Western Canada: 1) Lochkovian-Emsian age collections from the Mackenzie Mountains, Northwest Territories, collected by the late D. G. Perry as part of his Ph.D. dissertation (Perry, 1984); and 2) an early Emsian collection from the Mt. Lloyd George area, British Columbia. We are currently examining the gastropod material recovered by A. C. Lenz from his richly diverse collections in the Royal Creek area, Yukon Territory, equivalent in age to those gathered by D. G. Perry from the Mackenzie Mountains. This note is the first of several papers focused on these paleobiogeographically significant faunas, and it is our desire to ultimately make clear the character of this Early Devonian province, which appears to include strata of British Columbia, Yukon and Northwest Territories, as well as the non-accreted portion of adjacent east-central Alaska.

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A revision of the gastropod fauna of the Lilydale Limestone (Early Devonian) of Victoria

Abstract: Thirteen species of gatsropods are described from the Lower Devonian Lilydale Limestone near Melbourne. Two of these are type species of the genera Scafaetrochus (S. lindstrotni Etheridge) and Gyrodoma (G. etheridgei (Creswell)

Cited by 14 publications

References 1 publication

Diversity and palaeoecology of Early Devonian invertebrate associations in the Tafilalt (Anti-Atlas, Morocco)

Diversity and palaeoecology of Early Devonian invertebrate associations in the Tafilalt (Anti-Atlas, Morocco)

Palaeobiogeography of Australian Devonian gastropods

Semitubina yukonensis new species, first occurrence of this biogeographically distinctive Old World Realm gastropod genus in the Lower Devonian of the western hemisphere

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