Page 5 - Zoology

Dcce©-3 t Vertebrata t Aw¯’gq ev Zi“Yvw¯’gq †µwbqvg Gi †fZi gw¯—®‹ Ae¯’vb K‡i e‡j G Dcc‡e©i Av‡iK bvg

Craniata. Gi m`m¨iv åƒYxq Rxe‡b b‡UvKW© aviY Ki‡jI 僇YvËi Rxe‡b ‡mwU Aw¯’gq ev Zi“Yvw¯’gq K‡ki“Kvwewkó
†gi“`Û Øviv cÖwZ¯’vwcZ nq| G `„wó‡KvY †_‡KB ejv nq †h, me ‡gi“`Ûx cÖvYxB K‡W©U wKš‘ me K‡W©U †gi“`Ûx bq| c„ôxq
duvcv øvqyi¾yi AMÖcÖvš— gw¯—®‹ Ges Gi c‡ii AskwwU myly¤§vKvÛ MVb K‡i| G `ywU Ask h_vµ‡g †µwbqvg I †gi“`Û Øviv
Ave×| Mjwe‡ji Dfqcv‡k 5-15wU dzjKviÜ« _v‡K| DbœZZi fvwU©‡eª‡U cwiYZ cÖvYx‡Z dzjKviÜ« A`„k¨ n‡q hvq|

Awa‡kªYx-1 t Agnatha t cÖK…Z †Pvqvj I †Rvo Dcv½ Abycw¯’Z| Zi“Yvw¯’gq|
‡kªYxi bvg ‰ewkó¨ D`vniY

†kªYxÑ1 t Myxini 1) G †kªYxfy³ gvQ¸‡jv n¨vMwdk bv‡g cwiwPZ| mvgyw`ªK| Myxine glutinosa
2) gyL cÖvš—xq I 4 †Rvov Kwl©Kvhy³|
3) 5-15 †Rvov Mjwejxq dyjKviÜ« we`¨gvb|
4) bvwmKv _wj gyL MnŸ‡i Db¥y³|
†kªYxÑ2 t 1) G †kªwYfy³ gvQ¸‡jv j¨vg‡cÖ bv‡g cwiwPZ| Petromyzon marinus
Cephalaspidomorphi 2) nwY© `uvZhy³, †Pvlb ¶gZvm¤úbœ gyL|
3) 7 †Rvov dyjKv iÜ« |
4) bvwmKv _wj gyL MnŸ‡i Db¥y³ bq|

Awa‡kªYxÑ2 t Gnathostomata t cÖK„Z †Pvqvj I mvaviYZ †Rvo Dcv½ Dcw¯’Z| Zi“Yvw¯’gq I Aw¯’gq|
†kªYxi bvg ‰ewkó¨ D`vniY

†kªYxÑ1 1) G‡`i Aš—tKsKvj Zi“Yvw¯’ wbwg©Z Ges ‡`n AmsL¨ ¶z`ª c­vK‡qW Scoliodon
Chondrichthyes (my¶ KvuUvi gZ) AvuBk Øviv Ave„Z| laticaudus
2) gv_vi `ycv‡k 5-7 †Rvov dzjKv iÜ« we`¨gvb|
3) ‡jR †n‡U‡ivmvK©vj A_©vr †cŠw”QK cvLbvi Ask `ywU Amgvb|
†kªYxÑ2 1) gvQ¸‡jv iwk¥gq cvLbvwewkó gvQ bv‡g cwiwPZ| Labeo rohita
Actinopterygii 2) G‡`i Aš—tKsKvj Aw¯’ wbwg©Z Ges ‡`n
mvBK¬‡qW (†MvjvKvi) I wUb‡qW (KvuUvhy³) ai‡bi AvuBk Øviv Ave„Z|

3) gv_vi `ycv‡k GKwU K‡i dzjKv iÜ« hv Kvb‡Kv w`‡q Ave„Z|
4) ‡jR †nv‡gvmvK©vj ai‡bi A_©vr †cŠw”QK cvLbvi Ask `ywU mgvb|
†kªYxÑ3 1) G‡`i Aš—tKsKvj Aw¯’ wbwg©Z Ges ‡`n M¨vb‡qW ai‡bi AvuBk Øviv Protopterus
Sarcopterygii Ave„Z| annectens
2) gv_vi `ycv‡k GKwU K‡i dzjKv iÜ« hv Kvb‡Kv w`‡q Ave„Z|

3) ‡jR WvBwdmvK©vj ai‡bi A_©vr c„ôxq I AsKxq cvLbv GKxf~Z n‡q
Awfbœ I bgbxq cvLbv wn‡m‡e †jR wN‡i Aew¯’Z|
†kªYxÑ4 Amphibia 1) Bnv‡`i Rxeb Pµ m¤úbœ Kwi‡Z Rj I ¯’j Dfq cwi‡e†ki cÖ‡qvRb| Bufo
2) kxZj i³ wewkó cªvYx| melanostictus
3) Bnv‡`i Z¡K bMœ, MÖwš’gq I wm³|
4) ü`wcÛ wZb cÖ‡Kvô wewkó| `ywU AvwUªqvg Ges GKwU †fw›UªKj|

sanjoy chandra mondal, lecturer, botany, joypurhat govt. college, joypurhat. 5