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Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
An actor portraying Duryodhana in a Yakshagana play. Urubhanga or Urubhangam, (English: Shattered Thighs ) is a Sanskrit play written by Bhasa in the 2nd or 3rd century CE. [1] ...
Gupta duped Philippe Janvier into describing a fish fossil as new species in 1981, which Janvier later found to be coming from China. Talent also discovered in 1986 that Gupta likely used Moroccan fossils available in a Paris shop to report the presence of snail fossils ( ammonoids ) in the Himalayas.
While pathogens can be transferred among animals and humans, the main source of human acanthocephaliasis is the diet of infected raw fish and insects (Lotfy, 2020). [ citation needed ] Because they are lacking circulatory, respiratory, and digestive systems, Acanthocephalus are exceptionally well-adapted to a symbiotrophic existence (Margulis ...
Ashtamangala: first row (left to right): parasol, pair of golden fish, conch; second row: treasure vase, lotus; Last row: infinite knot, victory banner and wheel. The Ashtamangala ( Sanskrit : अष्टमङ्गल , romanized : Aṣṭamaṅgala ) is the sacred set of Eight Auspicious Signs ( Chinese : 八吉祥 , bajixiang ) featured in ...
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.
Parambassis ranga, commonly known as the Indian glassy fish, Indian glassy perch, or Indian X-ray fish, is a species of freshwater ray-finned fish in the Asiatic glassfish family Ambassidae. It is native to an area of South Asia from Pakistan to Vietnam , Malaysia and Bangladesh .
Agassiz provides several potential solutions: the species of lobster could have a single genus "by the side of all the other classes with their orders, families, etc.",: 5 or a family with one genus and one species, or a class with one order and one genus, etc. Agassiz concludes a single species is sufficient to derive the entirety of the ...