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- Geologic time scale (26014 bytes)
1: ...y]], and uses the standard color codes of the [[United States Geologic Survey]].
3: ... spans of time on the time scale are usually delimited by major [[geology|geologic]] or [[paleontology...
7: ...gnized faunal stages than defined geologic time units.
9: ...omian]] stages in [[East Asia]] and [[Siberia]]. It is a key aspect of the work of the International ...
13: ...d, distorted, tilted, or even inverted after deposition; 2) Strata laid down at the same time in diffe... - Dolphin (13554 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
13: ...'delphis'' meaning "with a womb", viz. "a 'fish' with a womb".
15: The word is used in a few different ways. It can mean:
20: #laypeople often use the term synonymously with [[Bottlenose Dolphin]], the most common and fami...
22: In this article, the second definition is used. - Mammal (11782 bytes)
13: **[[Paucituberculata]]
33: **[[Cetacea]]
43: ...ch as [[elephant]]s, some [[primate]]s and some [[cetacean]]s. The basic body type is a four-legged land-bo...
116: *[[Rabbits]]
140: ...age:Baboon_08ak.jpg|thumb|left|300px|Baby Baboon with Mother.]][[Image:Elephants_ak.jpg|thumb|left|300... - Boto (5572 bytes)
8: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
15: {{Taxobox_image | image = [[Image:cetacea_range_map_Amazon_River_Dolphin.PNG|200px|Boto ran...
17: ...ffrensis'') is a freshwater or [[river dolphin]]. It is endemic to the [[Amazon River]] and [[Orinoco ...
26: ... species, ''I. geoffrensis'', in the genus Inia, with three recognised subspecies:
36: ... are peglike, whereas the rear teeth are flatter with cusps. The two tooth types serve different funct... - Porpoise (4431 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
15: The '''porpoises''' are small [[Cetacea|cetaceans]] of the family '''Phocoenidae'''; they are rel...
20: ...haped, whereas dolphins have conical teeth. In addition, a porpoise's dorsal fin is generally triangul...
22: ...bsp;m (8 feet); the smallest species is the [[Vaquita]], reaching up to 1.5 m (5 feet).
25: ... tend to be more talkative and relaxed in social situations whereas dolphins have a tendency towards s... - Blue Whale (22203 bytes)
8: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
15: {{Taxobox_image | image = [[Image:cetacea_range_map_Blue_Whale.PNG|250px|Blue Whale range]]...
18: ...ved, at up to 30 [[1 E1 m|metres]] (100 [[foot (unit of length)|feet]]) in length and 140 [[tonne]]s (...
20: ...e species was outlawed by the international community in [[1966]]. The current world population is bet...
23: ...as long ago as the middle [[Oligocene]]. However, it is not known when the members of these families d... - Bottlenose Dolphin (16802 bytes)
1: <!-- To edit the text of this article, scroll down past the ta...
8: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
16: ...ommon and well-known [[dolphin]] species. It inhabits warm and temperate seas worldwide and may be fou...
19: ...he [[dorsal fin]] to very light grey and almost white at the underside. This makes them hard to see bo...
21: ... also have a fattier composition and blood more suited to deep-diving. - Ocean (6829 bytes)
6: ... in being defined only by a line of [[latitude]] with no landmass boundaries.
10: ... the oceans are called [[sea]]s, [[gulf]]s, [[strait]]s and other names.
12: ...er than a piece of oceanic sea floor like the Strait of Gibraltar.)
14: ... million km?, its volume is 1370 million km?, and its average depth is 3790 m. This does not include s...
18: ... ocean water composition, most notably its [[salinity]]. - Whale (11080 bytes)
1: ...]], members of the [[Order (biology)|order]] '''[[Cetacea]]''', which also includes [[dolphins]] and [[porp...
3: ...owed here. Whales are those cetaceans which are neither dolphins (i.e. members of the families [[Delph...
8: Cetaceans are divided into two suborders:
10: ... on [[fish]] and/or [[squid]]. An outstanding ability of this group is to sense their surrounding envi...
12: ...s, including all whales, is maintained at the ''[[Cetacea]]'' article. - Baleen whale (4213 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
16: ...rm a suborder of the [[order (biology)|order]] [[cetacea]]. The distinguishing feature between the Baleen ...
22: ...an be found below and at the [[cetacea]] article. Its scientific name derives from the Greek]word ''my...
27: ...cept in their feeding grounds, baleen whales eat little or fast for months. The [[Gray Whale]] even tr...
30: ...it loudly with their fins. The reason of these habits is not known for certain, and they may serve sev... - Placentalia (2168 bytes)
28: [[Cetacea]]
30: ...]]''' are terms used to describe major groupings within the animal [[class (biology)|class]] of [[Mamm...
32: ...acenta]] while, in general, this is not the case with other mammals ([[Bandicoot]]s are a conspicuous ...
34: .... This strongly suggests that a placenta played little role in the development of young. - Hippocampus (8957 bytes)
2: ...emory]] and [[navigation]]. The name derives from its curved shape, which supposedly resembles that of...
4: ...from oxygen starvation ([[anoxia]]) and [[encephalitis]].
6: ...es more with overall increase of brain mass than with [[neocortex|neocortical]] development.
10: ...ample, [[semantic memory|memory for facts]] in addition to [[episodic memory]]).
12: ...before the damage to the hippocampus occurred, so its role in maintaining these older memories remains... - Chinese River Dolphin (4152 bytes)
1: ...k | name = Chinese River Dolphin}}<br />{{StatusCritical}}
8: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
14: ...nomial_name = Lipotes vexillifer | author = [[Gerrit S. Miller|Miller]] | date = [[1918]]}}
15: {{Taxobox_image | image = [[Image:cetacea_range_map_Chinese_River_Dolphin.PNG|200px|Chinese...
17: ...gtze Dolphin''', and '''Yangtze River Dolphin'''. It is nicknamed "the Goddess of the Yangtze River" ... - Humpback Whale (17123 bytes)
1: <!--- Scroll down below table text to edit this article -->
9: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
16: {{Taxobox_image | image = [[Image:cetacea_range_map_Humpback_Whale.PNG|250px|Humpback Whale...
18: ...of the water), its unusually long front fins, and its complex [[whale song]]. The Humpback Whale lives...
20: ... upper parts. The head and lower jaw are covered with knobs called [[tubercle]]s, which are actually [... - Pilot Whale (5993 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
15: ... '''Pilot Whale''' is one of two [[species]] of [[cetacea]]n in the [[genus]] ''Globicephala''. The genus i...
21: ...uite subtle and where their distributions overlap it is generally not possible to tell the species apa...
25: ...in groups of about 10 to 30 in number. They are quite active and will frequently lobtail, spyhop and a...
27: ...e more susceptible than most species to beaching. It is possible that squid spawning close to shore at... - Atlantic White-Sided Dolphins (4439 bytes)
1: ...{Taxobox_begin | color = pink | name = Atlantic White-sided Dolphin}}<br>{{StatusConcern}}
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
14: ...hite-sided Dolphin range]] | caption = Atlantic White-sided Dolphin range}}
16: The '''Atlantic White-sided Dolphin''' (''Lagenorhynchus acutus'') is ...
19: ...n]] for pointed and refers to the [[dorsal fin]]. It is one of six oceanic dolphins in the ''[[Lagenor... - Baleen Whales (6057 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
16: ...rm a suborder of the [[order (biology)|order]] [[cetacea]]. The distinguishing feature between this subord...
22: ...an be found below and at the [[cetacea]] article. Its scientific name derives from the [[Greek languag...
38: ...cept in their feeding grounds, baleen whales eat little or fast for months. The [[Gray Whale]] even tr...
41: ...it loudly with their fins. The reason of these habits is not known for certain, and they may serve sev... - Beluga Whales (10188 bytes)
7: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
13: {{Taxobox_image | image = [[Image:cetacea_range_map_Beluga.PNG|250px|Beluga range]] | capti...
15: ...[[Russian language|Russian]] ''beloye'' meaning white.
18: ...irst described by [[Peter Simon Pallas]] in 1776. It is a member of the ''Monodontidae'' [[family (bio...
20: ...ively recent times the Beluga's range has varied with that of the ice pack – expanded during [[i... - Bottlenose Whales (4246 bytes)
6: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
13: {{Taxobox_image | image = [[Image:cetacea_range_map_Northern_Bottlenose_Whale.PNG|250px|Nor...
15: {{Taxobox_image | image = [[Image:cetacea_range_map_Southern_Bottlenose_Whale.PNG|250px|Sou...
17: ...her hand was hunted heavily by [[Norway]] and [[Britain]] in the nineteenth and early twentieth centur...
20: ...ad' professor. The beak is long and is coloured white in males and grey in females. The [[dorsal fin]]... - Bowhead Whales (5651 bytes)
8: {{Taxobox_ordo_entry | taxon = [[Cetacea]]}}
15: {{Taxobox_image | image = [[Image:cetacea_range_map_Bowhead_Whale.PNG|250px|Bowhead Whale r...
17: ...c Whale''', is a marine [[mammal]] of the order [[Cetacea]].
20: ...e to break through the ice to breathe. Some [[Inuit]] hunters have reported whales surfacing through ...
26: ... also breach, tail slap, and spy-hop. Sexual activity occurs between pairs and in boisterous groups of...
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