Predators with Pouches: The Biology of Carnivorous by Menna Jones, Mike Archer, Chris Dickman

By Menna Jones, Mike Archer, Chris Dickman

Predators with Pouches offers a different synthesis of present wisdom of the world’s carnivorous marsupials—from Patagonia to New Guinea and North the US to Tasmania. Written by way of sixty three specialists in every one box, the booklet covers a complete diversity of disciplines together with evolution and systematics, reproductive biology, body structure, ecology, behaviour and conservation. Predators with Pouches unearths the relationships among the yank didelphids and the Australian dasyurids, and explores the position of the marsupial fauna within the mammal neighborhood. It introduces the geologically oldest marsupials, from the Americas, and examines the autumn from former variety of the bigger marsupial carnivores and their convergent evolution with placental varieties. The e-book covers all elements of carnivorous marsupials, together with attention-grabbing positive aspects of existence background, their specified replica, the physiological foundation for early senescence in semelparous dasyurids, intercourse ratio edition and juvenile dispersal. It seems at gradients in nutrition—from omnivory to insectivory to carnivory—as good as distributional ecology, social constitution and conservation dilemmas.

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Archer’s (1982a) alliance of D. albopunctatus and D. hallucatus in ‘Satanellus’ was recovered by MC′F (Baverstock et al. 1990), but is rejected by DNA sequences which unite D. albopunctatus with three other quolls to the exclusion of D. hallucatus (Fig. 4). Indeed, D. hallucatus appears as sister to all other quolls, as also suggested by the morphocladistic analyses of Van Dyck (1987) and Wroe and Mackness (1998). Domain I CR sequences from all Dasyurus and Sarcophilus species (Firestone, 2000) gave a tree that is identical to that of Krajewski et al.

In this paper, we took dasyuromorphian affinities for the thylacine as given, and asked whether the extant sister-group of Thylacinus consists of all dasyurids or a specific subgroup of dasyurids (as posited, for example, by Tate 1947); numbats were not included. Our results supported a monophyletic Dasyuridae apart from Thylacinus with moderate bootstrap resolution (≤75%). Krajewski et al. (1997b) revisited the issue of interordinal relationships of Thylacinus with complete cytb, partial 12S, and complete P1 sequences from 11 dasyurids, numbat, representatives from all other extant marsupial orders, and two outgroup placentals.

It is significant that the latter study included outgroups from all other Australian marsupial orders: rooting the phascogaline tree with dasyurid outgroups would be misleading if Murexia species were early-branching lineages within the family, as indicated by their primitive morphology (S. Van Dyck pers. ). High resolution on the New Guinean clade prompted Armstrong et al. (1998) to reassign all New Guinean antechinuses to Murexia, a scheme which we will follow here. Sister-pairing of Antechinus and Murexia contradicts MC′F results (Baverstock et al.

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