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TAXONOMY AND SYSTEMATICS OF THE VELV...

POSS, STUART GERALD.

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TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE).

Record Type:	Electronic resources : Monograph/item
Title/Author:	TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE)./
Author:	POSS, STUART GERALD.
Description:	376 p.
Notes:	Source: Dissertation Abstracts International, Volume: 43-02, Section: B, page: 0358.
Contained By:	Dissertation Abstracts International43-02B.
Subject:	Biology, Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8215069

TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE).
POSS, STUART GERALD.

TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE). - 376 p.

Source: Dissertation Abstracts International, Volume: 43-02, Section: B, page: 0358.

Thesis (Ph.D.)--University of Michigan, 1982.

The Indo-Pacific marine fish family Aploactinidae is comprised of 38 species in 5 genera. Eight of the genera (Acanthosphex, Adventor, Aploactis, Aploactisoma, Neaploactis, Peristrominous, Prosoproctus, and Sthenopus) are monotypic. The genus Cocotropus is comprised of 10 species of which 3 are new to science. Erisphex contains at least 4 species; Paraploactis includes 7 species; Xenaploactis and Kanekonia contain 3 species each. There are two groups of velvetfishes. Those with a fleshy modification of the anterior part of the isthmus (Aploactininae), comprising 35 species, are closely related to the southern Australian Pataecidae which have lost the stay completely. The second group, including Acanthosphex and Bathyaploactis and recognized as a subfamily Bathyaploactininae, have branchiostegal membranes fused to the isthmus. The reduction of the pseudobranch, shape of the infraorbital stay, and the relation between the neural spines and dorsal pterygiophores suggest bathyaploactinines are most closely related to aploactinids.Subjects--Topical Terms:

1018632
Biology, Zoology.

TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE).
LDR:02765nmm 2200241 4500 001 1835798
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035 $a (UMI)AAI8215069
035 $a AAI8215069
040 $a UMI $c UMI
100 1 $a POSS, STUART GERALD. $3 1924421
245 1 0 $a TAXONOMY AND SYSTEMATICS OF THE VELVETFISHES (PISCES: APLOACTINIDAE).
300 $a 376 p.
500 $a Source: Dissertation Abstracts International, Volume: 43-02, Section: B, page: 0358.
502 $a Thesis (Ph.D.)--University of Michigan, 1982.
520 $a The Indo-Pacific marine fish family Aploactinidae is comprised of 38 species in 5 genera. Eight of the genera (Acanthosphex, Adventor, Aploactis, Aploactisoma, Neaploactis, Peristrominous, Prosoproctus, and Sthenopus) are monotypic. The genus Cocotropus is comprised of 10 species of which 3 are new to science. Erisphex contains at least 4 species; Paraploactis includes 7 species; Xenaploactis and Kanekonia contain 3 species each. There are two groups of velvetfishes. Those with a fleshy modification of the anterior part of the isthmus (Aploactininae), comprising 35 species, are closely related to the southern Australian Pataecidae which have lost the stay completely. The second group, including Acanthosphex and Bathyaploactis and recognized as a subfamily Bathyaploactininae, have branchiostegal membranes fused to the isthmus. The reduction of the pseudobranch, shape of the infraorbital stay, and the relation between the neural spines and dorsal pterygiophores suggest bathyaploactinines are most closely related to aploactinids.
520 $a Seventy-one cladistic characters were analyzed for patterns of logical consistency using character compatibility analysis. Three sets of 20 characters represent the largest number of characters capable of being simultaneously true partial estimates of evolutionary history. The analysis of character state evolution indicates that either the presence of a dorsal fin origin over the cranium and enlarged and movable preorbital spines have evolved independently in tetrarogine scorpaenids and aploactinids or that these features have been lost more than once in the latter group. That the upper branchial elements, caudal skeleton, and skin are similarly modified in synanceiine scorpaenids is tentatively regarded as evidence of propinquity. Unbranched rays in all fins, blunt spines, and scales which form spinous points, features traditionally used to characterize the Aploactinidae, are either not restricted to the family or are not present in all species.
590 $a School code: 0127.
650 4 $a Biology, Zoology. $3 1018632
690 $a 0472
710 2 $a University of Michigan. $3 777416
773 0 $t Dissertation Abstracts International $g 43-02B.
790 $a 0127
791 $a Ph.D.
792 $a 1982
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8215069