Definition of Suborthochoanitic. Meaning of Suborthochoanitic. Synonyms of Suborthochoanitic

- orthoconic genus with a wide, nearly central, tubular siphuncle, suborthochoanitic septal necks, and endosiphuncular rod; in many aspects similar to...
- Sactorthoceratidae comprise Orthocerataceaen genera with a subcentral suborthochoanitic siphuncle composed of slightly expanded segments and free of organic...
- generally cyrtochoanitic (flared outwardly). Those in neptunsakerense are suborthochoanitic. The later P. paldiskense from 463.5 to ca461 million years ago is...
- about 10°) and septal necks that are vary from orthochoanitic or suborthochoanitic to cyrtochoanitic. The Parabactritidae contain some five described...
- Apical septal necks are cyrtochoanitic to suborthochoanitic, those that are more adoral are short suborthochoanitic. Endosiphuncular deposits well developed...
- depressed, wider than high. Septal necks of the siphuncle are straight, suborthochoanitic, nearly reaching he previous septa. Connecting rings start off thin...
- growth stages is composed of tubular segments with almost straight suborthochoanitic septal necks, but becomes cyrtochoanitic with expanded segments in...
- is similar to Tripteroceras except the siphuncle which starts off suborthochoanitic becomes cyrtochoanitic with subspherical segments in the later growth...
- but had shorter necks to their septa that were orthochoanitic or suborthochoanitic. The sphaerorthoceratids were significant in cephalopod evolution...
- subcircular or slightly depressed cyrtoconic s**** with ventral, suborthochoanitic empty siphuncles; the s**** surface typically with crenulated transverse...