Phormostichoartus corbula |
 | Photo#: 1026
Location: Gulf of California
Sample: VS-R-27, 1-3 cm
Photo by: Richard N. Benson
Comments:
Benson, 1966, pl. 35, fig. 6. Right lateral view; focus on cephalis and ventral tube. Slide VS-R-27b, 1-3 cm. Bar is 100 µm.
|  | Photo#: 1027
Location: Gulf of California
Sample: VS-R-34, 3-5 cm
Photo by: Richard N. Benson
Comments:
Benson, 1966, pl. 35, fig. 5. Right lateral view of incomplete test; focus on cephalis and ventral tube. Slide VS-R-34a, 3-5 cm. Bar is 100 µm.
|  | Photo#: 1028
Location: Gulf of California
Sample: VS-R-93, 1-3 cm
Photo by: Richard N. Benson
Comments:
Benson, 1966, pl. 35, fig. 7. Dorsal view. Slide VS-R-93b, 1-3 cm. Bar is 100 µm.
|  | Photo#: 1029
Location: Gulf of California
Sample: VS-R-95b, 1-3 cm
Photo by: Richard N. Benson
Comments:
Benson, 1966, pl. 35, fig. 8. Constricted basal mouth with hyaline peristome and terminal tooth-like spines. Slide VS-R-95Ba, 1-3 cm. Bar is 100 µm.
|  | Photo#: 1030
Location: Gulf of California
Photo by: Richard N. Benson
Comments:
Benson, 1966, text-fig. 27. Siphocampium cf. polyzona Haeckel (specimen location of A and B, VS-R-81a, 1-3 cm; S31/0).
|  | Photo#: 1031
Location: Gulf of California
Photo by: Richard N. Benson
Comments:
Text-fig. 27A. Diagram illustrating the cephalis (C), small dorsal lobe (DL), and the ventral tube (VT) which adheres to the surface of the thorax in this species.
|  | Photo#: 1032
Location: Gulf of California
Photo by: Richard N. Benson
Comments:
Text-fig. 27B. Diagram illustrating the internal structure. The non-horizontal, ventrally-descending median bar (MB) and the secondary lateral bars (lr and ll) are features that are characteristic of all species of the genus Siphocampium Haeckel from the Gulf.
|  | Photo#: 1033
Location: Gulf of California
Photo by: Richard N. Benson
Comments:
Text-fig. 27C. Apical view of collar structures of a generalized specimen showing the features that are characteristic of all species of the genus Siphocampium Haeckel from the Gulf, namely, six collar pores and a conspicuous ventral tube (VT). Symbols as in text-fig. 7.
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