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Examples

  • And I find that particularly interesting, because it’s my opinion that Hydrurga is one of the most ‘disturbing’ looking of all mammals: it’s a chunky mother of a seal – thickset and quasi-reptilian, with a theropod-like jaw line and robust skull demarcated from its neck.

    Archive 2006-02-01 Darren Naish 2006

  • Ross seal (Omimatophoca rossii '); leopard seal (Hydrurga leptonyx);

    Antarctic Peninsula 2009

  • Winter, non-breeding population of Leopard seal Hydrurga leptonyx is estimated to be at around 1,000 individuals.

    Heard Island and McDonald Islands, Australia 2008

  • Hookers sea lion (Phocarctos hookeri) and leopard seal (Hydrurga leptonyx) visit each winter and spring.

    MacQuarie Island, Australia 2008

  • If Acrophoca is a member of this group, as Muizon (and Walsh & Naish) concluded, then we should be thinking of living lobodontins, and specifically Hydrurga, as the closest extant models.

    Archive 2006-02-01 Darren Naish 2006

  • This applies particularly for some otariids and for lobodontins like Hydrurga.

    Archive 2006-02-01 Darren Naish 2006

  • I would imagine Acrophoca as a paradoxical combination of these traits: quasi-reptilian and Hydrurga-like on one hand, but also longer-skulled, longer-necked and overall more gracile.

    Archive 2006-02-01 Darren Naish 2006

  • Six seal species are native to Antarctica: crabeater seal (Lobodon carcinophagus), Ross seal (Omimatophoca rossii), leopard seal (Hydrurga leptonyx), Weddell seal (Leptonychotes weddellii '), southern elephant seal (Mirounga leonina), and southern fur seal (Arctocephalus gazella).

    Maudlandia Antarctic desert 2008

  • Muizon (1981) regarded Acrophoca as a lobodontin: that is, a member of the group that includes Hydrurga (the leopard seal), Ommatophoca (Ross’ seal) and Lobodon (the crabeater seal), and specifically as the sister-taxon to Hydrurga.

    Archive 2006-02-01 Darren Naish 2006

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