Why the short face? The face lengths of sthenurine kangaroos scale with negative allometry.

William Richardson; Nuria melisa Morales-García; John Damuth; Suresh Singh; Christine m. Janis

doi:10.1080/02724634.2024.2336145

Why the short face? The face lengths of sthenurine kangaroos scale with negative allometry.

William Richardson, Nuria melisa Morales-García, John Damuth, Suresh Singh, Christine m. Janis^*

^*Corresponding author for this work

School of Earth Sciences

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Abstract

The larger species in many mammalian clades have relatively longer faces than their smaller relatives. This has been shown to be true for extant kangaroos (Macropodinae), who follow the CREA rule of positive facial allometry; but the extinct short-faced kangaroos (Sthenurinae) have not so far been examined. Using linear measurements, rather than CREA techniques, we show here that sthenurine face lengths scale with negative allometry, thus differing from the trend seen in their extant relatives.

Original language	English
Article number	e2336145
Number of pages	8
Journal	Journal of Vertebrate Paleontology
Volume	43
Issue number	5
DOIs	https://doi.org/10.1080/02724634.2024.2336145
Publication status	Published - 23 Apr 2024

Bibliographical note

Publisher Copyright:
© 2024. William Richardson, Nuria Melisa Morales-García, John Damuth, Suresh Singh, Christine M. Janis. Published with license by the Society of Vertebrate Paleontology.

Keywords

Cranial Anatomy
Palaeobiology
Biomechanics
Mammalian evolution

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https://www.tandfonline.com/doi/full/10.1080/02724634.2024.2336145

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title = "Why the short face? The face lengths of sthenurine kangaroos scale with negative allometry.",

abstract = "The larger species in many mammalian clades have relatively longer faces than their smaller relatives. This has been shown to be true for extant kangaroos (Macropodinae), who follow the CREA rule of positive facial allometry; but the extinct short-faced kangaroos (Sthenurinae) have not so far been examined. Using linear measurements, rather than CREA techniques, we show here that sthenurine face lengths scale with negative allometry, thus differing from the trend seen in their extant relatives.",

keywords = "Cranial Anatomy, Palaeobiology, Biomechanics, Mammalian evolution",

author = "William Richardson and Morales-Garc{\'i}a, {Nuria melisa} and John Damuth and Suresh Singh and Janis, {Christine m.}",

note = "Publisher Copyright: {\textcopyright} 2024. William Richardson, Nuria Melisa Morales-Garc{\'i}a, John Damuth, Suresh Singh, Christine M. Janis. Published with license by the Society of Vertebrate Paleontology.",

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T1 - Why the short face? The face lengths of sthenurine kangaroos scale with negative allometry.

AU - Richardson, William

AU - Morales-García, Nuria melisa

AU - Damuth, John

AU - Singh, Suresh

AU - Janis, Christine m.

PY - 2024/4/23

Y1 - 2024/4/23

N2 - The larger species in many mammalian clades have relatively longer faces than their smaller relatives. This has been shown to be true for extant kangaroos (Macropodinae), who follow the CREA rule of positive facial allometry; but the extinct short-faced kangaroos (Sthenurinae) have not so far been examined. Using linear measurements, rather than CREA techniques, we show here that sthenurine face lengths scale with negative allometry, thus differing from the trend seen in their extant relatives.

AB - The larger species in many mammalian clades have relatively longer faces than their smaller relatives. This has been shown to be true for extant kangaroos (Macropodinae), who follow the CREA rule of positive facial allometry; but the extinct short-faced kangaroos (Sthenurinae) have not so far been examined. Using linear measurements, rather than CREA techniques, we show here that sthenurine face lengths scale with negative allometry, thus differing from the trend seen in their extant relatives.

KW - Cranial Anatomy

KW - Palaeobiology

KW - Biomechanics

KW - Mammalian evolution

U2 - 10.1080/02724634.2024.2336145

DO - 10.1080/02724634.2024.2336145

M3 - Article (Academic Journal)

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JO - Journal of Vertebrate Paleontology

JF - Journal of Vertebrate Paleontology

IS - 5

M1 - e2336145

ER -

Why the short face? The face lengths of sthenurine kangaroos scale with negative allometry.

Abstract

Bibliographical note

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