Declension table of ?samudriya

Neuter	Singular	Dual	Plural
Nominative	samudriyam	samudriye	samudriyāṇi
Vocative	samudriya	samudriye	samudriyāṇi
Accusative	samudriyam	samudriye	samudriyāṇi
Instrumental	samudriyeṇa	samudriyābhyām	samudriyaiḥ
Dative	samudriyāya	samudriyābhyām	samudriyebhyaḥ
Ablative	samudriyāt	samudriyābhyām	samudriyebhyaḥ
Genitive	samudriyasya	samudriyayoḥ	samudriyāṇām
Locative	samudriye	samudriyayoḥ	samudriyeṣu

Compound samudriya -

Adverb -samudriyam -samudriyāt