biramous

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biramous

[bī′rā·məs]

(biology)

Having two branches, such as an arthropod appendage.

References in periodicals archive ?

Karliella differs fundamentally from these by having male surstyli that are deeply incised and biramous.

Proposal of Karliella gen. n. for the Afrotropieal 'Pegomya' sexpunctata Karl, 1935 (Diptera: Anthomyiidae), a possible kleptoparasite of dung-breeding beetles

First or first few anteriormost setigers generally uniramous, biramous thereafter with inconspicuous parapodial lobes.

A new species of cossuridae (annelida: polychaeta) from Venezuela/Una nueva especie de cossuridae (annelida: polychaeta) de Venezuela/Uma nova especie de cossuridae (annelida: polychaeta) da Venezuela

Sex was determined by the presence of biramous pleopods in females and uniramous pleopods in males (Morgan 1980).

Population assessment of the pacific green spiny lobster Panulirus gracilis in Pacific Panama

The first pedigerous somite is cephalically incorporated and the three succeeding free pedigerous somites each bear a pair of biramous swimming legs.

Two new species of Monstrillopsis Sars (Crustacea: Copepoda: Monstrilloida) from the White Sea and Norway, with comments on M. dubia Scott

Four pairs of biramous swimming legs composed of a precoxa, coxa, basis, exopod, and endopod; with plumose setae on all exopods, endopods, coxae, and bases.

Argulus ambystoma, a new species parasitic on the salamander Ambystoma dumerili from Mexico (Crustacea: Branchiura: Argulidae). (1)

Crab sex was determined as follows: females have a gonopore on the coxa of each third pereopod and elongated biramous pleopods, whereas males have a gonopore on the coxa of each fifth pereopod and short uniramous pleopods.

Sexual differences in life history and resource utilization by the hermit crab

Protopod of first and second thoracopods large, carrying biramous rami, with each ramus transformed into movable chela.

A new copepod with transformed body plan and unique phylogenetic position parasitic in the acorn worm Ptychodera flava

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