Results 91 to 100 of about 827 (199)

Fig. 20 in The Basal Penguin (Aves: Sphenisciformes) Perudyptes Devriesi And A Phylogenetic Evaluation Of The Penguin Fossil Record

, 2010
Fig. 20. Strict consensus of 1400 MPTs of 4492 steps from the analysis including the Tonniornis mesetaensis and Tonniornis minimum holotype humeri as separate terminals.Published as part of <i>Ksepka, Daniel T.
Ksepka, Daniel T., Clarke, Julia A.
core   +1 more source

Los pingüinos (Aves: sphenisciformes) fósiles de Patagonia [PDF]

, 2019
Los <i>Spheniscidae</i> constituyen un grupo de aves buceadoras y no voladoras que habitan los mares australes y cuya historia evolutiva estaría en estrecha relación con las corrientes de aguas frías. En el pasado, sin embargo, habrían habitado aguas más cálidas que en la actualidad, habiendo cambiado sus requerimientos ecológicos en estos ...
openaire   +4 more sources

An enigmatic fossil penguin from the Eocene of Antarctica

Polar Research, 2017
Tarsometatarsi are key skeletal elements in penguin palaeontology. They constitute, among others, type specimens of all 10 widely accepted species of fossil penguins from the Eocene La Meseta Formation on Seymour Island (Graham Land, Antarctic Peninsula).
Piotr Jadwiszczak, Thomas Mörs
doaj   +1 more source

Fig. 22 in The Basal Penguin (Aves: Sphenisciformes) Perudyptes Devriesi And A Phylogenetic Evaluation Of The Penguin Fossil Record

, 2010
Fig. 22. Pterygoids of selected penguin taxa, illustrating phylogenetic characters: (A) the stem penguin Paraptenodytes antarcticus (AMNH 3338); (B) extant Spheniscus humboldti (AMNH 4921).
Ksepka, Daniel T., Clarke, Julia A.
core   +1 more source

Seabirds of São Paulo, Brazil: species occurrence, conservation status and knowledge gaps [PDF]

Papéis Avulsos de Zoologia
Seabirds across all the seas and oceans of the planet interact with human activities and, as a result, approximately 30% of all species are in decline and threatened with extinction.
Robson Silva e Silva, Fábio Olmos, Edison Barbieri   +2 more
doaj   +1 more source

Fig. 10 in The Basal Penguin (Aves: Sphenisciformes) Perudyptes Devriesi And A Phylogenetic Evaluation Of The Penguin Fossil Record

, 2010
Fig. 10. Reconstruction of Perudyptes devriesi diving, with preserved elements of the holotype indicated (left humerus, pelvis and left femur not shown). Silhouette by Kristin Lamm.Published as part of <i>Ksepka, Daniel T.
Ksepka, Daniel T., Clarke, Julia A.
core   +1 more source

Sobre la presencia de Paraptenodytes y Palaeospheniscus (Aves: Sphenisciformes) en la Formación Bahía Inglesa, Chile On the precense of Paraptenodytes y Palaeospheniscus (Aves: Sphenisciformes) on the Bahia Inglesa Formation, Chile

Revista Chilena de Historia Natural, 2007
El presente comentario fue motivado por el artículo de Acosta-Hospitaleche & Canto (2005) y de la observación directa de algunos especímenes de Spheniscidae previamente reportados para la Formación Bahía Inglesa, en la región de Atacama, Chile.
MARTÍN F CHÁVEZ
doaj  

Fig. 21 in The Basal Penguin (Aves: Sphenisciformes) Perudyptes Devriesi And A Phylogenetic Evaluation Of The Penguin Fossil Record

, 2010
Fig. 21. Phylogeny of Sphenisciformes calibrated to the stratigraphic record. Ghost lineages (Norell, 1992) are minimized. Dotted lines extending the range of clade 7 are based on identification of fragmentary fossils of late Eocene age to this clade. We
Ksepka, Daniel T., Clarke, Julia A.
core   +1 more source

Fig. 15 in The Basal Penguin (Aves: Sphenisciformes) Perudyptes Devriesi And A Phylogenetic Evaluation Of The Penguin Fossil Record

, 2010
Fig. 15. Results of iterative analyses testing the effect of assigning character codings from isolated elements to species terminals. Strict consensus of 1503 MPTs of 4494 steps from the analysis applying codings from IB/P/B-0382 (type B humerus) to the ...
Ksepka, Daniel T., Clarke, Julia A.
core   +1 more source

Eretiscus tonnii (Simpson) (Aves, Sphenisciformes): additional materials, taxonomic status and geographic distribution

Revista del Museo Argentino de Ciencias Naturales, 2004
Eretiscus tonnii (Simpson) (Aves, Sphenisciformes): additional materials, taxonomic status and geographic distribution. Additional material of the small Latest Oligocene-Earliest Miocene fossil penguin, Eretiscus tonnii (Simpson, 1981) Olson, 1986, is described.
Carolina Acosta Hospitaleche, Claudia P. Tambussi, Mário Alberto Cozzuol   +2 more
openaire   +2 more sources