与 «LOBEFIN»相关的英语书籍
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lobefin的用法。与
lobefin相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
Sarcopterygians, the lobefin fishes, are distinguished asa separate group
because they evolvedseveral pairs of finsthat are stronger thanany found ina
rayfin fish. Other differences in scale and skull structure confirm the separate
evolution of ...
2
The Ancient Chinese Super State of Primary Societies
Lobefin fish carry those changes and serve as a living fossil to illustrate how
animals moved from sea to land in ancient time. Lobefin fish (coelancath, Figure
1) first appeared some 400 million years ago and once flourished in shallow seas
all ...
3
Origins: The Evolution of Continents, Oceans, and Life
Cartilaginous fish (ancestors of today's sharks and rays) survived the catastrophe
, as did some coelacanth-like lobefin fish (the Rhi- pidistians). These creatures
were perhaps the most important product of evolution in the "Age of Fish"
because ...
4
Polyploidy and Genome Evolution
Following this phenotypic definition, ''fish'' include jawless fish such as lampreys
and hagfish, cartilaginous fish, such as sharks and rays, lobefin fish including
coelacanth and lungfish, and rayfin fish such as teleosts. ''Fish'', however, are a ...
Pamela Soltis, Douglas E. Soltis, 2012
5
Assembling the Tree of Life
Sarcopterygii (Lobefin Fishes and Tetrapods) The lobefin fishes and tetrapods
comprise some 24,000+ living species of fishes, amphibians, and amniote
vertebrates (mammals; birds, crocodiles; turtles; snakes, lizards, and kin) with a
fossil ...
Joel Cracraft Curator of Ornithology American Museum of Natural History, the Herbarium Michael J. Donoghue Curator, Peabody Museum of Natural History Yale University, 2004
6
Comparative Psychology: Evolution and Development of ...
Lobefin fish arepresently restrictedto lungfish (Dipnoi), representedtoday byafew
freshwaterspeciesliving in southern continents,and coelacanths (Actinistia).
Onlytwo extant speciesofcoelacanths areknownofagroup that showed a
greatdiversity ...
7
The Ancestor's Tale: A Pilgrimage to the Dawn of Life
Ray-fins lack the fleshy lobe at the base of each fin – eponym for the lobefin fish
like coelacanths and Concestor 18. Unlike our arms and legs, which have
relatively few bones, and muscles that can move them relative to one another
within the ...
8
Coastal fishes of the Pacific Northwest
153. Lobefin. Snailfiah. DISTINCT LOBE AT FRONT DORSAL FIN EACH GILL
OPENING EXTENDING ONLY AS FAR DOWN ASTHE4TH RAY OF EACH
PECTORAL FIN SPECIES: Polypera greenl— from the Greek poly and pera,
meaning ...
Andy Lamb, Phil Edgell, 1986
Human and all other tetrapod lineages may have passed through a group of lobe
-finnedfish (so named because of the leg-like appearance of their fins) that
evolved about 420 million years ago. Paleontologists thought lobefin lineages
had ...
10
Field Guide to Amphibians and Reptiles of California: ...
The species that periodically did this belonged to the fish subclass Sarcopterygii,
the lobefin fishes. This group is nearly extinct today, but an extensive fossil record
plus a couple of key living species such as the Coelacanth (Latimeria ...
Robert C. Stebbins, Samuel M. McGinnis, 2012
