Królestwo ANIMALIA » Typ MOLLUSCA » Podtyp CONCHIFERA » Gromada CEPHALOPODA » Podgromada NAUTILOIDEA » Rząd Endoceratida »
Changes for document Podrząd Ellesmeroceratina
From version 5.1
edited by Jerzy Dzik
on 2019/06/25 14:30
on 2019/06/25 14:30
To version 6.1
edited by Jerzy Dzik
on 2019/10/10 13:20
on 2019/10/10 13:20
Change comment: There is no comment for this version
Object changes
Object number 0 of type Species.SpecificationClass modified
- Opis
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... ... @@ -1,3 +1,1 @@ 1 -Krótkie kołnierzyki syfonalne. 2 -Short septal necks and thick connecting rings. 3 -The Ellesmeroceratina differ from descendent Endoceratina in the lack of endocones, length of the septal necks, and the planktonic larval stage. They differ from the Oncoceratida and Discosorida in their cylindrical siphuncle; from the Orthoceratida in the ventral siphuncle; from the Tarphyceratida and Nautilida in their straight or endogastrically curved shell. 1 +Short septal necks, thick connecting rings, and diaphragms secretd by retreating soft tissue in the siphuncle.