1. Liver
2. Pancreas
3. Thyroid
4. Adrenal
Pancreas
1. Anticodon
2. Terminating codon
3. Degenerate codon
4. Initiating codon
Anticodon
1. Barbs-free, After Shaft-III developed, Uropyglal gland-Generally absent
2. Barbs-United, After Shaft-Usually well developed, Uropyglal gland-Present
3. Barbs-United, After Shaft-III developed, Uropyglal gland-Present
4. Barbs-Free, After Shaft-Usually well developed, Uropyglal gland-Generally abscent
Barbs-Free, After Shaft-Usually well developed, Uropyglal gland-Generally abscent
1. Sepia
2. Cimex
3. Ophiothrix
4. Polygordius
Ophiothrix
1. Sub – Pharyngeal ganglia
2. Sub – Oesophageal ganglia
3. Supra – Pharyngeal ganglia
4. Supra – Oesophageal ganglia
Sub – Pharyngeal ganglia