http://bruceowen.com/introbiological/a201-11f-12-OurRelativesThroughPlatyrrhines.pdf WebLike other nocturnal Strepsirrhines, they have a reflective layer at the back of their larger eyes to help them see in the dark. Also like many of the other Strepsirrhines, lorisids …
An introduction to our relatives – Strepsirrhines, tarsiers, and ...
WebWhy do strepsirrhines have wet noses? The wet nose feature of strepsirrhines is attributed to the presence of rhinarium. The rhinarium is the skin surface that surrounds the external openings of the nostrils. The other suborder of primates, the Haplorrhini, includes the dry-nosed primates due to their lack of this rhinarium. st paul lutheran davenport
The Primate Order Explained: Monkeys, Apes, Lemurs...
The rhinarium is a general mammalian feature and therefore likely to have been present in the stem mammals. Primates are phylogenetically divided into those with a rhinarium, the Strepsirrhini (the prosimians: the lorises, and the lemurs); and those without a rhinarium, the Haplorhini, (the Simians: monkeys, apes, and humans). In place of the rhinarium, Haplorhini have a more mobile, continuous, dry u… WebThis will become very apparent when we discuss the two suborders of primates, Strepsirrhini and Haplorrhini.When these two lineages diverged, strepsirrhines retained more primitive traits (those present in the ancestor of primates) and haplorrhines developed more derived traits (became more different from the ancestor of primates). Strepsirrhines are defined by their "wet" (moist) rhinarium (the tip of the snout) – hence the colloquial but inaccurate term "wet-nosed" – similar to the rhinaria of canines and felines. They also have a smaller brain than comparably sized simians , large olfactory lobes for smell, a vomeronasal organ to detect … See more Strepsirrhini or Strepsirhini is a suborder of primates that includes the lemuriform primates, which consist of the lemurs of Madagascar, galagos ("bushbabies") and pottos from Africa, and the lorises from India and See more Strepsirrhines include the extinct adapiforms and the lemuriform primates, which include lemurs and lorisoids (lorises, pottos, and galagos). Strepsirrhines diverged from the … See more Grooming apparatus All lemuriforms possess a specialized dental structure called a "toothcomb", with the exception of the aye-aye, in which the structure has been … See more The now extinct adapiform primates were primarily found across North America, Asia, and Europe, with a few species in Africa. They … See more The taxonomic name Strepsirrhini derives from the Greek στρέψις strepsis "a turning round" and ῥίς rhis "nose, snout, (in pl.) nostrils" ( See more The taxonomy of strepsirrhines is controversial and has a complicated history. Confused taxonomic terminology and oversimplified … See more Approximately three-quarters of all extant strepsirrhine species are nocturnal, sleeping in nests made from dead leaves or tree hollows during the day. All of the lorisoids from continental Africa and Asia are nocturnal, a circumstance that minimizes their … See more st paul lutheran fast direct