List of session types in Magento 2:
Following are the list of session types is available in magento 2.
Core session is removed in magento 2.
magento/module-customer/Model/Session.php magento/module-checkout/Model/Session.php magento/module-catalog/Model/Session.php magento/module-newsletter/Model/Session.php magento/module-backend/Model/Session.php magento/framework/Message/Session.php magento/module-persistent/Model/Session.php