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Species of the infraorder Cetacea A phylogenetic tree showing the relationships among cetacean families. [1]The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to have proceeded over a period of at least 15 million years. [2]
The following is a list of currently existing (or, in the jargon of taxonomy) 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). The list is organized taxonomically into parvorders, superfamilies when applicable, families, subfamilies when applicable, genus, and then species.
A viewer capable of viewing multiple overlaid trees. All [23] FigTree: Simple Java tree viewer able to read newick and nexus tree files. Can be used to color branches and produce vector artwork. All [24] JEvTrace A multivalent browser for sequence alignment, phylogeny, and structure.
Archaeopteryx is an interactive computer software program, written in Java, for viewing, editing, and analyzing phylogenetic trees.This type of program can be used for a variety of analyses of molecular data sets, but is particularly designed for phylogenomics.
A phylogenetic tree, phylogeny or evolutionary tree is a graphical representation which shows the evolutionary history between a set of species or taxa during a specific time. [ 1 ] [ 2 ] In other words, it is a branching diagram or a tree showing the evolutionary relationships among various biological species or other entities based upon ...
The aim of tree alignment is to find an assigned sequence, which can obtain a maximum score, and get the final matching result from the evolutionary tree and its nodes' assigned sequence. Star alignment can be seen as a special case of the tree alignment. When we use star alignment, the evolutionary tree has only one internal node and n leaf nodes.
Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος 'huge fish, sea monster') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
Basilosauridae is a family of extinct cetaceans.They lived during the middle to the early late Eocene and are known from all continents, including Antarctica. [1] [2] They were probably the first fully aquatic cetaceans.
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