February 9 (Eastern Orthodox liturgics) (English Wikipedia)

The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. pp. 42–43.
Rev. Sabine Baring-Gould (M.A.). "S. Apollonia, V. M. (A.D. 249.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. pp. 231-233.
Rev. Sabine Baring-Gould (M.A.). "S. Nicephorus, M. (About A.D. 258.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. pp. 233-236.
Rev. Sabine Baring-Gould (M.A.). "S. Sabine, B. of Canosi. (About A.D. 566.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. pp. 241-245.
Rev. Richard Stanton. A Menology of England and Wales, or, Brief Memorials of the Ancient British and English Saints Arranged According to the Calendar, Together with the Martyrs of the 16th and 17th Centuries. London: Burns & Oates, 1892. pp. 60–61.
Rev. Sabine Baring-Gould (M.A.). "S. Teilo, B. of Llandaff. (About A.D. 560.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. pp. 238-241.
Rev. Sabine Baring-Gould (M.A.). "S. Ansbert, B. of Rouen. (A.D. 695.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. pp. 246-247.
Very Rev. John O'Hanlon. "Article II.—St. Cronan, the Wise, Bishop. [Sixth Century.]." In: Lives of the Irish Saints: With Special Festivals, and the Commemorations of Holy Persons. Vol. II. Dublin, 1875. pp. 428-433.
Very Rev. John O'Hanlon. "Article XIII.—St. Alto, Bishop and Founder of Altminster, in Bavaria. [Eighth Century.]." In: Lives of the Irish Saints: With Special Festivals, and the Commemorations of Holy Persons. Vol. II. Dublin, 1875. p. 446.

ecclesia.gr

(in Greek) Συναξαριστής. 9 Φεβρουαρίου. Ecclesia.gr. (H Εκκλησια Τησ Ελλαδοσ).

holytrinityorthodox.com

February 22 / 9. Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow).
Hieromartyr Peter Damascene, bishop of Damascus (743). Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow).

oca.org

Leavetaking of the Meeting of our Lord in the Temple. OCA - Lives of the Saints.
Hieromartyr Marcellus the Bishop of Sicily. OCA - Lives of the Saints.
Virginmartyr Apollonia. OCA - Lives of the Saints.
Martyr Nicephorus of Antioch, in Syria. OCA - Lives of the Saints.
Venerable Shio Mgvime. OCA - Lives of the Saints.
Martyr Peter of Capetolis. OCA - Lives of the Saints.
Venerable Pancratius of the Kiev Caves. OCA - Lives of the Saints.
Venerable Gennadius of Vazheozersk. OCA - Lives of the Saints.
Venerable Nicephorus of Vazheozersk. OCA - Lives of the Saints.
Uncovering of the relics of St Innocent the Bishop of Irkutsk. OCA - Lives of the Saints.

orthochristian.com

February 9 / 22. Orthodox Calendar (Pravoslavie.ru).

orthodoxengland.org.uk

February 9. Latin Saints of the Orthodox Patriarchate of Rome.

pravenc.ru

(in Russian) Иоанн. Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).
(in Russian) 22 февраля (9 февраля). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).

synaxarion.gr

Great Synaxaristes: (in Greek) Ὁ Ἅγιος Φιλάγριος Ἐπίσκοπος Κύπρου. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Οἱ Ἅγιοι Μάρκελλος καὶ Παγκράτιος ὁ Ἱερομάρτυρας. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Οἱ Ἅγιοι Ἄμμων καὶ Ἀλέξανδρος οἱ Μάρτυρες ἐκ Κύπρου. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Ὁ Ἅγιος Νικηφόρος ὁ Μάρτυρας. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Ὁ Ὅσιος Ρωμανὸς τοῦ Κίλικος. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Ὁ Ὅσιος Πέτρος ὁ Ἱερομάρτυρας ὁ Δαμασκηνὸς. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Ὁ Ἅγιος Πέτρος ὁ Ἱερομάρτυρας ἐκ Καπιτωλίων. 4 Οκτωβρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Οἱ Ὅσιοι Νικηφόρος καὶ Γεννάδιος. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.
Great Synaxaristes: (in Greek) Εὕρεσις Τιμίων Λειψάνων Ἁγίου Ἰννοκεντίου ἐκ Ρωσίας. 9 Φεβρουαρίου. Μεγασ Συναξαριστησ.

wikipedia.org

it.wikipedia.org

Hieromartyr Pancratius of Taormina is also commemorated on July 9. Hieromartyr Marcellus may be the same as Marcian of Siracusa, celebrated in June 14 and also appointed by Apostle Paul as the first bishop of Siracusa in Sicily.