the single type specimen of the unrecognized species, chetogena flaviceps (bigot), was examined and found to be a subjective senior synonym of the well-known new world species of chetogena scutellaris wulp. the genitalia of the holotype was dissected and illustrated in detail. a redescription of c. scutellaris, including the male genitalic characters is provided.

The middle ear ossicles of all extant, adult members of crown-group Mammalia (1) are homologous with a series of bones in the lower jaw of nonmammalian amniotes (2, 3). Rich et al. (4) recently proposed that the structurally complex mammalian ear evolved independently in the monotreme and therian lineages. This conclusion is based on a newly discovered specimen (NMV P212933) that provisionally ...

It has been proposed in recent years that the phyla Pogonophora and Vestimentifera are a derived clade of polychaete annelids. It has also been proposed that if this clade belongs among polychaetes, then the taxon name Pogonophora is misleading and should revert to a name first formulated for the group, Siboglinidae Caullery, 1914. This recommendation is adopted in this paper, and a cladistic s...

The identity of Scytalopus speluncae (Ménétriés, 1835) (Aves: Passeriformes: Rhinocryptidae), a tapaculo from southeastern Brazil, has been the matter of debate during the last eight years. A group of ornithologists considers that the nomen Scytalopus speluncae should be attributed to a species endemic to coastal mountains of southeastern Brazil, whereas another group considers it a species fro...

Acanthoplesiops cappuccino is described from the 16.4 mm SL holotype collected from Jeddah, Saudi Arabia, Red Sea. The following combination of characters distinguishes it from congeners: dorsal-fin rays XVIII,4; anal-fin rays VII,4; pectoral-fin rays 18; caudal fin not connected to last rays of dorsal and anal fins by membrane; and caudal peduncle with a pale yellowish brown bar, which extends...

A new bark beetle species, Dryocoetes brownei from Northern India and Afghanistan, is described as a new to science and redescription of Scolytoplatypus kunala Strohmeyer, 1908, previously known only from the female holotype, is provided.

A new species, Somatochlora shennong sp. nov. (holotype ♂, Dajiuhu National Wetland Park in Shennongjia National Nature Reserve, Hubei Province, China, 9 August 2012) is described, illustrated, and compared with the related species S. dido Needham and S. taiwana Inoue & Yokota. 

Sphecotypus taprobanicus Simon 1897 is redescribed on the basis of holotype female. Although specimen at a subadult stage, shape carapace distinguishes S. from other Asian species.