Tursiocola  guyanensis is much smaller, has narrow-elliptic to acicular apices, a wide rectangular to bowtie-shaped stauros, and only occurs on sea turtles.
Tursiocola varicopulifera valves have acute to subacute apices and double undulating rows of linear pores on the valvocopula.

LM scalebar = 10 µm
Length Range
15-34 µm
Width Range
2.6-3.9 µm
Striae in 10 µm
22-28
Tursiocola bondei LM1
Tursiocola bondei LM6
Tursiocola bondei LM7
Tursiocola bondei LM3
Tursiocola bondei LM2
Tursiocola bondei LM4
Tursiocola bondei LM5
Tursiocola bondei LM1 Tursiocola bondei LM6 Tursiocola bondei LM7 Tursiocola bondei LM3 Tursiocola bondei LM2 Tursiocola bondei LM4 Tursiocola bondei LM5

Tursiocola varicopulifera

Frankovich and M.J.Sullivan 2015

Length Range
31-57 µm
Width Range
2.9-4.7 µm
Striae in 10 µm
25-28
Tursiocola varicopulifera LM7 Tursiocola varicopulifera LM2 Tursiocola varicopulifera LM1 Tursiocola varicopulifera LM5 Tursiocola varicopulifera LM6 Tursiocola varicopulifera LM3 Tursiocola varicopulifera LM4

Also compare to

Tursiocola guyanensis

Riaux-Gobin and Witkowski