Black sporangium on swollen subsporangial vesicle; sporangia arising from dung; Pilobolaceae

Ovoid sporangium with distinct columella and apohysis; Mucoraceae

Columella exposed after sporangial wall dehisced. Small oval structures are spores; Mucoraceae

Round sporangium with distinct columella and no apophysis; Mucoraceae

Mortierella:

Round sporangia at tip of sporangiophore; dome-shaped columella;

Mortierellaceae

Round sporangia at tip of sporangiophore; Mortierellaceae

Thamnidiaceae; sporangiola with appendages.

Pedicellate single-spored sporangiola borne from a vesicle; Cunninghamellaceae

Radially arranged merosporangia containing a single row of spores;

sporangiola (actually on dichotomous branches); Thamnidiaceae

Thamnidium;

sporangiola (actually on dichotomous branches); Thamnidiaceae