An earliest Paleocene squirrelfish (Teleostei: Beryciformes: Holocentroidea) and its bearing on the timescale of holocentroid evolution

Andrews, James V.; Schein, Jason P.; Friedman, Matt

doi:10.1080/14772019.2023.2168571

Cited by 2 publications

(4 citation statements)

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“…The evolution of holocentroids has also been evaluated. Andrews et al (2023) reported a new holocentroid species from the fossil material of the early Paleocene and estimated a Danian divergence between Myripristinae and Holocentrinae from the fossil analysis via micro-computed tomography, suggesting that several holocentroid lineages crossed the Cretaceous-Palaeogene boundary [4]. These studies give us insight into the traits of holocentrid fish and their ability to adapt to the marine environment, as well as their evolutionary history and important role in the ocean ecosystem.…”

Section: Introductionmentioning

confidence: 93%

“…The family Holocentridae is primarily distributed in the tropical parts of the Atlantic, Indian, and Pacific Oceans. Typically, they inhabit waters up to a depth of 100 m, although some species of the Ostichthys genus (soldierfish) from the subfamily Myripristinae have been detected much deeper [4]. Holocentridae fish possess large eyes and are primarily active at night, suggesting they are nocturnal in terms of their activity patterns [5].…”

Section: Introductionmentioning

confidence: 99%

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Comparative Mitogenome Analyses Uncover Mitogenome Features and Phylogenetic Implications of the Reef Fish Family Holocentridae (Holocentriformes)

Tang,

Liu,

et al. 2023

Biology

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To understand the molecular mechanisms and adaptive strategies of holocentrid fish, we sequenced the mitogenome of eight species within the family Holocentridae and compared them with six other holocentrid species. The mitogenomes were found to be 16,507–16,639 bp in length and to encode 37 typical mitochondrial genes, including 13 PCGs, two ribosomal RNAs, and 22 transfer RNA genes. Structurally, the gene arrangement, base composition, codon usage, tRNA size, and putative secondary structures were comparable between species. Of the 13 PCGs, nad6 was the most specific gene that exhibited negative AT-skews and positive GC-skews. Most of the genes begin with the standard codon ATG, except cox1, which begins with the codon GTG. By examining their phylogeny, Sargocentron and Neoniphon were verified to be closely related and to belong to the same subfamily Holocentrinae, while Myripristis and Ostichthys belong to the other subfamily Myripristinae. The subfamilies were clearly distinguished by high-confidence-supported clades, which provide evidence to explain the differences in morphology and feeding habits between the two subfamilies. Selection pressure analysis indicated that all PCGs were subject to purifying selection. Overall, our study provides valuable insight into the habiting behavior, evolution, and ecological roles of these important marine fish.

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Section: Introductionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Comparative Mitogenome Analyses Uncover Mitogenome Features and Phylogenetic Implications of the Reef Fish Family Holocentridae (Holocentriformes)

Tang,

Liu,

et al. 2023

Biology

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“…The earliest fossil Trachichthyiformes is the trachichthyid †Gephyroberyx robustus from the Rupelian (33.9-27.82 Ma) of the Caucasus area of Russia (Danil' chenko 1960). Bayesian relaxed molecular clock analyses of Trachichthyiformes result in an average posterior crown age estimate of 46.6 million years ago, with the credible interval ranging between 24.7 and 75.5 million years ago (Ghezelayagh et al 2022) (Patterson 1967;Gayet 1980a;Andrews et al 2023), and the pan-berycoid †Berycomorus (Arambourg 1966). Details of the ages and locations of the fossil taxa are presented in Appendix 1.…”

Section: Compositionmentioning

confidence: 99%

“…. Bayesian relaxed molecular clock analyses of Beryciformes result in an average posterior crown age estimate of 95.8 million years ago, with the credible interval ranging between 71.6 and 117.6 million years ago(Andrews et al 2023). …”

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confidence: 99%

Phylogenetic Classification of Living and Fossil Ray-Finned Fishes (Actinopterygii)

Near,

Thacker

2024

Bulletin of the Peabody Museum of Natural History

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Classification of the tremendous diversity of ray-finned fishes (Actinopterygii) began with the designation of taxonomic groups on the basis of morphological similarity. Starting in the late 1960s morphological phylogenetics became the basis for the classification of Actinopterygii but failed to resolve many relationships, particularly among lineages within the hyperdiverse Percomorpha. The introduction of molecular phylogenetics led to a dramatic reconfiguration of actinopterygian phylogeny. Refined phylogenetic resolution afforded by molecular studies revealed an uneven diversity among actinopterygian lineages, resulting in a proliferation of redundant group names in Linnean-ranked classifications. Here we provide an unranked phylogenetic classification for actinopterygian fishes based on a summary phylogeny of 830 lineages of rayfinned fishes that includes all currently recognized actinopterygian taxonomic families and 287 fossil taxa. We provide phylogenetic definitions for 90 clade names and review seven previously defined names. For each of the 97 clade names, we review the etymology of the clade name, clade species diversity and constituent lineages, clade diagnostic morphological apomorphies, review synonyms, and provide a discussion of the clade's nomenclatural and systematic history. The new classification is free of redundant group names and includes only one new name among the 97 clade names we review and describe, yielding a comprehensive classification that is based explicitly on the phylogeny of ray-finned fishes that has emerged in the 21st century and rests on the foundation of the previous 200 years of research on the systematics of ray-finned fishes.

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An earliest Paleocene squirrelfish (Teleostei: Beryciformes: Holocentroidea) and its bearing on the timescale of holocentroid evolution

Cited by 2 publications

References 84 publications

Comparative Mitogenome Analyses Uncover Mitogenome Features and Phylogenetic Implications of the Reef Fish Family Holocentridae (Holocentriformes)

Comparative Mitogenome Analyses Uncover Mitogenome Features and Phylogenetic Implications of the Reef Fish Family Holocentridae (Holocentriformes)

Phylogenetic Classification of Living and Fossil Ray-Finned Fishes (Actinopterygii)

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