The Evolution of Conch Ontogeny in Mesozoic Open Sea Gastropods |
Contents
Introduction | 6 |
Superfamily uncertain | 63 |
Subclass HETEROBRANCHIA Gray 1840 | 110 |
Copyright | |
1 other sections not shown
Common terms and phrases
A₁ A₂ abapical adapical angulated apex apical view arrows indicate demarcation axial ribs B₁ B₂ Bajocian Bandel Bathonian Mid Jurassic block in glacial body whorl Bralitzia Caenogastropoda Calliotropis Callovian Mid Jurassic close-up of protoconch Cossmann Cryptaulax Częstochowa region demarcation between protoconch Description details of teleoconch diameter Dzik Emended diagnosis Eudes-Deslongchamps Faustianka gastropods genus glacial drift Gnaszyn growth lines Gründel high as broad Holotype inner lip juvenile whorls Late Callovian Mid Late Jurassic lateral view Łuków block Mathilda mathildid Mesozoic Mid Bathonian Mid MZ VIII Mg Nützel Occurrences Ogrodzieniec ontogeny peristome Podlasie Poland Promathildia protoconch and teleoconch protoconch consisting protoconch in apical protoconch in lateral protoconch in umbilical Remarks sample Schröder shell ZPAL similar smooth southern Mazowsze spiral lirae spiral ribs subsutural suture teleoconch ornamentation Teleoconch starting teleoconch whorls text-figs Type horizon Type locality Type species umbilical view Valanginian Early Cretaceous Warén Wąwał weak spiral weakly whorl of teleoconch