An addition to the cryptic diversity in Anatolian subterranean fauna: description of Niphargus elvericii sp. nov.

Makaleler > Tam Makale · 2026

Yazarlar: Murat ÖZBEK, Hazel Baytaşoğlu

ZOOLOGY IN THE MIDDLE EAST, SCI İndekslerine Giren Dergi, Uluslararası, 2026, cilt 72, ss 1-17

DOI: 10.1080/09397140.2026.2728502

Özet

<p>A&nbsp;new&nbsp;stygobiotic&nbsp;amphipod&nbsp;species,&nbsp;Niphargus&nbsp;elvericii&nbsp;sp.&nbsp;nov.,&nbsp;is&nbsp;described&nbsp;from&nbsp;Haşhaşlı&nbsp;Cave&nbsp;in&nbsp;Bartın&nbsp;Province,&nbsp;Türkiye.&nbsp;The&nbsp;species&nbsp;is&nbsp;diagnosed&nbsp;by&nbsp;a&nbsp;unique&nbsp;combination&nbsp;of&nbsp;morphological&nbsp;characters.&nbsp;In&nbsp;the&nbsp;male&nbsp;holotype,&nbsp;these&nbsp;include&nbsp;two&nbsp;setae&nbsp;on&nbsp;the&nbsp;first&nbsp;article&nbsp;of&nbsp;the&nbsp;mandibular&nbsp;palp,&nbsp;five&nbsp;distal&nbsp;setae&nbsp;on&nbsp;the&nbsp;inner&nbsp;lobe&nbsp;of&nbsp;maxilla&nbsp;1,&nbsp;densely&nbsp;setose&nbsp;dactyli&nbsp;of&nbsp;gnathopods&nbsp;1&nbsp;and&nbsp;2,&nbsp;rather&nbsp;angular&nbsp;epimeral&nbsp;plates,&nbsp;and&nbsp;a&nbsp;distinctive&nbsp;telson&nbsp;armature:&nbsp;the&nbsp;telson&nbsp;is&nbsp;cleft&nbsp;to&nbsp;0.65 × total&nbsp;length;&nbsp;each&nbsp;lobe&nbsp;is&nbsp;armed&nbsp;distally&nbsp;with&nbsp;five&nbsp;long&nbsp;robust&nbsp;setae&nbsp;and&nbsp;one&nbsp;short&nbsp;simple&nbsp;seta,&nbsp;with&nbsp;two&nbsp;groups&nbsp;of&nbsp;lateral&nbsp;robust&nbsp;setae,&nbsp;one&nbsp;mesial&nbsp;robust&nbsp;seta,&nbsp;and&nbsp;two&nbsp;groups&nbsp;of&nbsp;dorsal&nbsp;robust&nbsp;setae&nbsp;(each&nbsp;containing&nbsp;four&nbsp;setae).&nbsp;Additional&nbsp;diagnostic&nbsp;traits&nbsp;include&nbsp;the&nbsp;presence&nbsp;of&nbsp;two&nbsp;robust&nbsp;setae&nbsp;on&nbsp;the&nbsp;ventroposterior&nbsp;margin&nbsp;of&nbsp;urosomite&nbsp;1&nbsp;and&nbsp;a&nbsp;specific&nbsp;configuration&nbsp;of&nbsp;setae&nbsp;on&nbsp;the&nbsp;mouthparts.&nbsp;Niphargus&nbsp;elvericii&nbsp;is&nbsp;clearly&nbsp;distinguishable&nbsp;from&nbsp;all&nbsp;known&nbsp;Turkish&nbsp;congeners,&nbsp;particularly&nbsp;N.&nbsp;religiosus,&nbsp;N.&nbsp;turcicus,&nbsp;N.&nbsp;incus,&nbsp;N.&nbsp;sertacii,&nbsp;N.&nbsp;kirgizi,&nbsp;N.&nbsp;anatolicus,&nbsp;and&nbsp;N.&nbsp;valachicus,&nbsp;as&nbsp;well&nbsp;as&nbsp;from&nbsp;morphologically&nbsp;similar&nbsp;Balkan,&nbsp;Greek,&nbsp;and&nbsp;Iranian&nbsp;species.&nbsp;The&nbsp;discovery&nbsp;of&nbsp;N.&nbsp;elvericii&nbsp;highlights&nbsp;the&nbsp;significant&nbsp;but&nbsp;still&nbsp;underexplored&nbsp;subterranean&nbsp;biodiversity&nbsp;of&nbsp;the&nbsp;Western&nbsp;Black&nbsp;Sea&nbsp;karst&nbsp;region&nbsp;and&nbsp;biogeography&nbsp;in&nbsp;Anatolia.</p>

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