New osteichthyans (bony fishes) from the Devonian of Central Australia

Young, Grant M.; Schultze, Hans‐Peter

doi:10.5194/fr-8-13-2005

Cited by 3 publications

(7 citation statements)

References 9 publications

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“…1). To the west it occurs in equivalent strata along the MacDonnell Ranges of the Amadeus Basin, being identified in the upper part of the Mereenie Sandstone at Mt Winter (Young and Turner 2000;Young and Schultze 2005; locality 24, Fig. 1).…”

Section: Discussionmentioning

confidence: 99%

“…Since then, a diverse fish assemblage has been documented from this limestone. In addition to the firstdiscovered thelodonts (Turner 1995(Turner , 1997, it contains asterolepid antiarchs (Young 1984), the 'notidanid' shark Mcmurdodus (Turner and Young 1987;Burrow et al 2008), various acanthodians (Burrow and Young 2005), and osteolepid, holoptychiid, dipnoan, and onychodontid osteichthyan remains (Young and Schultze 2005). Several new groups are not yet described.…”

Section: Discussionmentioning

confidence: 99%

“…Young 1995a). The only suggestion of a possible South Chinese element from the Cravens Peak limestone fish concerns unusual 'osteolepid' scales with posterior serrations described by Young and Schultze (2005), noted by Friedman and Brazeau (2010) to resemble in some respects the scales of the early osteichthyan Guiyu Zhu et al (2009) from the Silurian (Ludlow) Kuanti Formation of Yunnan Province.…”

Section: Discussionmentioning

confidence: 99%

“…Walley and Cook (1991) gave two objections to the western connection to the Canning Basin, which was first proposed by Turner et al (1981): drill hole data in the Canning suggested a topographic high to the east, and the Devonian in the Amadeus Basin was entirely non-marine. However, extensive limestone outcrops (mostly undated) have been noted in the western Amadeus Basin by Young and Turner (2000) and Young and Schultze (2005). To the east of the Toko syncline, Devonian marine sedimentary rocks are widespread throughout Queensland, the relevant sedimentary basins (e.g.…”

Section: Palaeogeographic Setting and Map Representationmentioning

confidence: 96%

“…Another closely related stem-tetrapod is Muranjilepis (Fig. 7g) described by Young and Schultze (2005) from the Amadeus Basin of central Australia (locality 24, Fig. 1).…”

Section: Osteichthyans: Tetrapodomorphsmentioning

confidence: 99%

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Asia–Gondwana connections indicated by Devonian fishes from Australia: palaeogeographic considerations

Young

Lü

2020

J. Palaeogeogr.

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Middle Palaeozoic vertebrate fossil occurrences are summarised for Australia, with reference to faunal connections between Asia and East Gondwana, as first indicated by fish distributions of Lower Devonian fossil sites. Major endemic groups discussed are pituriaspid (Australian) and galeaspid (Asian) agnathans, wuttagoonaspids (Australian) and antarctaspid (Antarctic, Australian, Asian) arthrodires, yunnanolepid and sinolepid antiarchs (South China, Indochina terrane, Australia), and early tetrapodomorphs (South China, Australia). More widespread groups that lived in shallow marine environments (lungfishes, buchanosteid arthrodires, antiarch Bothriolepis) also show species groups shared between South China and East Gondwana. Exchange of continental facies fishes (e.g. tristichopterid tetrapodomorphs) may have been interrupted by marine transgression in the Frasnian, but were restored in the late Famennian with the appearance of Grenfellaspis in eastern Australia, the only sinolepid antiarch known from outside Asia. The hypothesis of Gondwana dispersion and Asian accretion, to explain the collage of geological terranes forming modern east and southeast Asia, implies increasing dissimilarity with increasing age, but the Siluro-Devonian early vertebrate evidence is inconsistent with this. Previous cladistic analysis of Asian terranes predicted galeaspid agnathans on the Indochina terrane, and their subsequent discovery at Ly Hoa, Vietnam, confirms that Indochina and South China had come together across the Song Ma suture by Middle Devonian time.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Palaeogeographic Setting and Map Representationmentioning

confidence: 96%

“…Another closely related stem-tetrapod is Muranjilepis (Fig. 7g) described by Young and Schultze (2005) from the Amadeus Basin of central Australia (locality 24, Fig. 1).…”

Section: Osteichthyans: Tetrapodomorphsmentioning

confidence: 99%

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Asia–Gondwana connections indicated by Devonian fishes from Australia: palaeogeographic considerations

Young

Lü

2020

J. Palaeogeogr.

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Identifying Heterogeneity in Rates of Morphological Evolution: Discrete Character Change in the Evolution of Lungfish (Sarcopterygii; Dipnoi)

2011

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Quantifying rates of morphological evolution is important in many macroevolutionary studies, and critical when assessing possible adaptive radiations and episodes of punctuated equilibrium in the fossil record. However, studies of morphological rates of change have lagged behind those on taxonomic diversification, and most authors have focused on continuous characters and quantifying patterns of morphological rates over time. Here, we provide a phylogenetic approach, using discrete characters and three statistical tests to determine points on a cladogram (branches or entire clades) that are characterized by significantly high or low rates of change. These methods include a randomization approach that identifies branches with significantly high rates and likelihood ratio tests that pinpoint either branches or clades that have significantly higher or lower rates than the pooled rate of the remainder of the tree. As a test case for these methods, we analyze a discrete character dataset of lungfish, which have long been regarded as "living fossils" due to an apparent slowdown in rates since the Devonian. We find that morphological rates are highly heterogeneous across the phylogeny and recover a general pattern of decreasing rates along the phylogenetic backbone toward living taxa, from the Devonian until the present. Compared with previous work, we are able to report a more nuanced picture of lungfish evolution using these new methods. K E Y W O R D S :Adaptive radiation, evolutionary rates, lungfish, morphological evolution, paleontology, punctuated equilibrium.

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A Devonian predatory fish provides insights into the early evolution of modern sarcopterygians

et al. 2016

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New osteichthyans (bony fishes) from the Devonian of Central Australia

Cited by 3 publications

References 9 publications

Asia–Gondwana connections indicated by Devonian fishes from Australia: palaeogeographic considerations

Asia–Gondwana connections indicated by Devonian fishes from Australia: palaeogeographic considerations

Identifying Heterogeneity in Rates of Morphological Evolution: Discrete Character Change in the Evolution of Lungfish (Sarcopterygii; Dipnoi)

A Devonian predatory fish provides insights into the early evolution of modern sarcopterygians

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