-
Holtbyrnia anomala Krefft, 1980
-
?Holtbyrnia bauchoti Mayer & Nalbant, 1972
-
Holtbyrnia innesi Parr, 1937
- Bathytroctes innesi Fowler, 1934; (valid as)
- Searsia polycoeca Parr, 1937; (synonym)
- Holtbyrnia conocephala Sazonov, 1976; (synonym)
- Holtbyrnia kulikovi Sazonov, 1976; (synonym)
- Holtbyrnia kulikovi Sazonov, 1976; (unavailable, no features)
- Holtbyrnia innesi Matsui & Rosenblatt, 1987
-
-
Holtbyrnia laticauda Sazonov, 1976
-
Holtbyrnia latifrons Sazonov, 1976
-
Holtbyrnia macrops Maul, 1957
- Searsia schnakenbecki Krefft, 1953; (synonym)
- Holtbyrnia problematica Parr, 1960; (synonym)
- Krefftia problematica Parr, 1960; (synonym)
- Krefftia schnakenbecki Parr, 1960; (synonym)
- Sagamichthys schnakenbecki Krefft, 1973; (synonym)
- Sagamichthys schnakenbecki Qu©ro et al., 1990; (synonym)
-
Holtbyrnia ophiocephala Sazonov & Golovan, 1976
-
Holtbyrnia rostrata
- Bathytroctes rostratus Gìnther, 1878; (valid as)
- Mentodus rostratus Parr, 1951; (valid as)
- Mentodus rostratus Krefft, 1973; (valid as)
- Holtbyrnia rostrata Matsui & Rosenblatt, 1987; (valid as)