Group | Structure | ||||||
---|---|---|---|---|---|---|---|
Amphioxus | Somitocoel 1 | Â | Myotome 4 | External cell layer 1 | Sclerotome 1 | Sclerocoel 9 | Lateral plate 10 |
 | Myocoel2 | No equivalent | Myomesothelium5 | Lateral wall6 | Sclerablatt3 |  | Seitenplatt3 |
 | Myocöl3 |  | Muskelblatt3 | Dermomyotome7 |  |  |  |
 |  |  |  | Dermatome8 |  |  |  |
 |  |  |  | Cutisblatt3 |  |  |  |
Anamniote | Somitocoel 11 | Dermomyotome | Myotome 13 | External cell layer 11,14 | Sclerotome 18 | No equivalent | Lateral plate 19 |
 | Myocoel12 |  | Primary myotome11 | Dermomyotome15 |  |  |  |
 |  |  |  | Dermatome16 |  |  |  |
 |  |  |  | Dermoendothelium17 |  |  |  |
Amniote | Somitocoel 20 | Dermomyotome 21 | Myotome 21 | Central dermomyotome 21 | Sclerotome 21 | No equivalent | Lateral plate 21 |
 |  |  |  | Dermatome22 |  |  |  |