- GaleomorphiiHeterodontiformes is an order of sharks in the superorder Galeomorphii. It includes the bullhead sharks (genus Heterodontus), and several extinct genera. The earliest known members of the group are from the Early Jurassic (Toarcian), around 175 million years ago.animalia.bio/heterodontiformes
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Heterodontiformes - Wikipedia
The bullhead sharks are morphologically rather distinctive. The mouth is located entirely anterior to the orbits. Labial cartilages are found in the most anterior part of the mouth. Nasoral grooves are present, connecting the external nares to the mouth. The nasal capsules are trumpet-shaped … കൂടുതൽ കാണുക
Nine living species of bullhead shark have been described: 1. Heterodontus francisci (Girard, 1855)(horn shark) 2. Heterodontus galeatus … കൂടുതൽ കാണുക
Compagno, Leonard (2002) Sharks of the World: Bullhead, mackerel and carpet sharks Volume 2, FAO Species Catalogue, Rome. ISBN 92 … കൂടുതൽ കാണുക
കൂടുതൽ പര്യവേക്ഷണം ചെയുക
Global priorities for conserving the evolutionary history of sharks ...
വെബ്2018, ജനു 18, · The superorder Galeomorphii includes 4 orders: Carcharhiniformes (ground sharks), Heterodontiformes (bullhead sharks), Lamniformes (mackerel …
- രചയിതാവ്: R. William Stein, Christopher G. Mull, Tyler S. Kuhn, Neil C. Aschliman, Lindsay N. K. Davidson, Jef...
- Publish Year: 2018
Heterodontiformes - Animalia
വെബ്Heterodontiformes is an order of sharks in the superorder Galeomorphii. It includes the bullhead sharks (genus <i>Heterodontus</i>), and several extinct genera. The …
Heterodontiformes - an overview | ScienceDirect Topics
വെബ്The Heterodontiformes (Bullhead or Horn Sharks) are a small group of sharks with one family (Heterodontidae) and a single genus (Heterodontus) of nine similar …
Galeomorphii - Wikipedia
Galeomorphii is a superorder of sharks. They are sometimes called galea or galean sharks. There are about 300 living species in 23 families. Galean sharks are divided into four orders: the Heterodontiformes, Orectolobiformes, Lamniformes, and Carcharhiniformes. The extinct, enigmatic Synechodontiformes are presently placed by some authors in the galeomorp…
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A Review of the Mitogenomic Phylogeny of the …
വെബ്2017, ഡിസം 20, · Some studies have identified the Heterodontiformes as the most basal order, with Orectolobiformes being more closely related to the Lamniformes and …
Evolutionary trajectories of tooth histology patterns in modern …
വെബ്2019, ഡിസം 22, · Sharks of the superorder Galeomorphii Heterodontiformes (bullhead sharks) The bullhead shark (Heterodontiformes) group is characterized …
Micro-computed tomography imaging reveals the development of …
വെബ്2019, ജൂലൈ 4, · Together with the orders Carcharhiniformes, Orectolobiformes and Heterodontiformes they form the superorder Galeomorphii, which is the …
Order Summary for Heterodontiformes - FishBase
വെബ്Order Summary for Heterodontiformes. Two dorsal fins, each with a spine; anal fin present; five gill slits; eyes without nictitating fold; spiracle present but small; …
Mandibular and hyoid muscles of galeomorph sharks …
വെബ്2013, ജൂൺ 26, · The superorder Galeomorph comprises the orders Heterodontiformes, Orectolobiformes, Lamniformes, and Carcharhiniformes. …
